Mathematics for Grade 2 Teachers

7/28/2019 Mathematics for Grade 2 Teachers

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Mathematics for Grade 2 Teachers

I. UNDERSTANDING NUMBERS BETTER

A. For each number give:a. the place value and b. the value of the underlined digits

1. 108 2. 293 3. 479 4. 573 5. 824 6. 829

7. 2 756 8. 4 917 9. 9 432 10. 36 040 11. 56 315 12. 42792

B. Answer the following questions.

1. What is the largest three-digit even number?

2. What is the smallest five-digit number?

3. What is the smallest four-digit odd number?

4. What is the largest six-digit number?

5. What digit is in the ten thousands place in the number 80 763?

6. How many hundreds are there in a. 890 b. 763 c. 6 852?

7. How many ten thousands are there in a. 62 189 b. 63 458 c. 83 219?

C. Write the following numbers in standard form.

1. 9 x 10 + 3 = _______ 2. 8 x 10 + 2 = _______

3. 4 x 100 + 5 x 10 + 7 = _______ 4. 7 x 100 + 3 x 10 + 3 = _______5. 5 x 100 + 8 x 10 + 9 = _______ 6. 8 x 100 + 6 x 10 + 4 = _______

7. 7 x 10 000 + 3 x 1000 + 7 x 100 + 5 x 10 + 1 = _______

8. 3 x 10 000 + 6 x 1000 + 8 x 100 + 9 x 10 + 4 = _______

D. Write the following in expanded notation.

1. 34 = _______________________________ 2. 056 = ___________________________

3. 293 = ______________________________ 4. 340 = ___________________________

5. 3 609 = __________________________________________________________________

6. 6 810 = __________________________________________________________________

E. Arrange the following from the smallest to the greatest. Put 1, 2, 3 and 4 over thenumbers.

1. 231, 132, 312, 213 4. 6 862, 2 862, 5 862, 3 862

2. 562, 526, 625, 652 5. 17 936, 52 936, 34 936, 93 936

3. 7 372, 7 273, 7 723, 7 732 6. 21 343, 12 343, 21 433, 12 433

F. Use the given digits to write the LEAST and the GREATEST number possible.

LEAST GREATEST LEAST GREATEST

1. 5, 6, 2 _________ _________ 4. 2, 4, 7, 9 _________ _________

2. 0, 7, 3 _________ _________ 5. 4, 2, 6, 4 _________ _________

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3. 8, 4, 6 _________ _________ 6. 8, 3, 0, 9 _________ _________G. Find the smallest/largest digit you can put in the blank to make the sentence

true.

1. 5_____3 > 573 4. 3 _____37 < 3 437 7. 2_____ 569 < 26 569

2. _____43 < 343 5. _____ 921 > 6 921 8. _____3 457 < 63457

3. 1_____3 < 153 6. 6 4_____9 < 6 419 9. 23 7_____1 > 23721

H. Write the following in Hindu Arabic.

1. DCL ___________ 3. DCDLXL ___________ 5. CDVIII ___________

2. CXXXI ___________ 4. DLXVII ___________ 6. CDXCII ___________

I. Write the following in Roman Numerals.

1. 23 ___________ 3. 49 ___________ 5. 62 ___________

2. 126 ___________ 4. 492 ___________ 6. 874 ___________

J. Find the next three numbers in each pattern.

1. 1, 4, 7, 10, 13, ______, ______ 2. 2, 4, 2, 6, 2, 8, ______, ______

3. 8, 13, 18, 23, 28, ______, ______ 4. 17, 15, 13, 11, 9, ______, ______

5. 87, 77, 67, 57, 47, ______, ______, ______

Challenge!!!!Read each problem carefully, analyze then answer.

1. I am a three-digit number. My ones is three times my tens and my hundreds isfour more than my tens. My tens digit is 2. Who am I?

2. I am an even four-digit number. My ones is two itself. As for my other digits, eachis more than three of my ones digit. What numbers can I be?

3. How many digits corresponds to one hundred thousand?

4. I am composed of three digits all identical. Even if you put me before a mirror, myvalue stays the same. I am not equal to 111.

5. Mon accidentally entered 1230 instead of 123 in his calculator. How much greater

is 1 in the first number than in the second number?6. What is the even number just before the number 398?

7. What is the smallest even number we can find between 530 and 540?

8. If you were given the digits 6, 7, 8, and 4, what is the greatest number that youcan form? What is the smallest?

9. Ella was given the number 5 623. Can you help her know the value of 6 and itsplace value?

10. Jane was asked by her teacher to count 99 seashells by 25. That is she has to

count 25, 50 and so on. Is there a fourth number in the series? Explain youranswer.

11. How many even numbers are there between 234 and 250?

12. What number comes just after 399 but before 401?

13. If Marlon has 177 marbles and Ian has 180 marbles, how many marbles doesJulius have supposing that it is between the numbers of the two but is not equalto 178?

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14. What is the biggest even number before 1000?

15. People are waiting in line to buy tickets for a movie. Your number is 17 and thatof your friend is 35. How many people are between you and your friend?

II. UNDERSTANDING ADDITION AND SUBTRACTION BETTER

A. Find each sum. Try to do each orally.

1. 8 2. 34 3. 73 4. 89 5. 36 6. 55 7. 6 + 7 + 3 =+ 6 + 9 + 27 + 11 + 49 + 27 8. 8 + 5 + 7 =

9. 125 10. 46 11. 633 12. 826 13. 471 14. 931 15. 985+ 67 + 63 + 48 + 137 + 241 + 642 + 719

B. Give each difference. Try to do each orally.

1. 9 2. 26 3. 56 4. 72 5. 81 6. 87 7. 95- 4 - 12 - 26 - 33 - 52 - 69 - 72

8. 119 9. 291 10. 301 11. 364 12. 390 13. 763 14. 982- 20 - 63 - 84 - 92 - 112 - 456 - 562

C. Fill in each missing number and identify if it is an ADDEND or a SUM.

1. 6 + ______ = 8 4. ______ + 37 = 56 7. 98 + ______ = 112

2. ______ + 8 = 17 5. 56 + ______ = 89 8. ______ + 28 =231

3. 9 + 3 = ______ 6. 78 + 13 = ______ 9. 48 + 59 = ______

D. Supply the SUBTRAHEND to get a difference of 53.

1. 112 - ______ = 53 3. 78 - ______ = 53 5. 61 - ______ = 53

2. 289 - ______ = 53 4. 312 - ______ = 53 6. 634 - ______ = 53

E. Analyze then answer.

1. Subtract 56 from 100 and add 34. _______________

2. Add 34 and 72 then subtract 63. _______________

3. Subtract 26 from each of 53 and 67. Then, add the differences. _______________4. Add 7 to the sum of 46 and 19. ________________

5. From the difference of 364 and 567 subtract 23. __________________

F. Fill in each blank to make the statement true. Then, give the property of additionused.

1. 23 + 7 = ______ + 23 4. 7 + (6 + 17) = (______ + 6) + 17

2. 45 + 0 = ______ 5. ______ + 98 = 98

3. ______ + 45 = 45 + 0 6. 4 + (______ + 9) = (4 + 12) + 9

G. Identify the number.

1. I am 5 less than 909. _______ 2. I am 12 less than 1 000. _______

3. 892 less 35. _______ 4. 1 000 less 362. ______

5. Add three and the sum is 16. _______ 9. Greater than 2+5+13. Less than5+6+11

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An odd number. _______6. Add me to 9, sum is 26. _______

10. Greater than 34. Less than 56 - 197. Add 9 and the sum is 37. _______ An even number. _______

8. Add 14 to me and the sum is 36. ______H. Given the clues, find the two numbers.

1. Sum is 18. Difference is 2. _____________





I. Analyze each problem carefully then answer the questions.

1. There are 48 pupils in a class. If 29 are boys, how many are girls?

2. A vendor bought 110 pineapples. He sold 45 in the morning and 39 in theafternoon. How many pineapples in all were sold? How many more pineapplesdoes the vendor have to sell the next day?

3. Joe gathered 125 eggs from one poultry house and 137 eggs from another house.How many eggs in all did he gather?

4. It takes 365 days to make a year. Suppose 78 days have passed since your lastbirthday. So, how many days more will you have to wait for your next birthday?

5. You are collecting stamps. You want to have 300 stamps. How many more doyou need if you already got 169?

6. Jenny works part-time at a bake shop. She receives 45 an hour. If she works 4hours a day, Monday to Saturday, how much does she earn a week?

Challenge!!!

1. I have a favorite number. If you add 24 to it, the sum is 77. Can you guess myfavorite number?

2. A jeepney can contain only 16 passengers. If 2 are already seated at the frontand 6 are at the back, how many more passengers can ride in the jeep?

3. A factory produces 535 dolls a day. If 250 dolls were given to charity on a certainday, how many dolls were left for sale on that day?

4. Fourteen more than the difference of 345 and 45 is what number?

5. Your class needs 250 from contributions to buy your class a clock. If you havecollected only 196 from a few of your classmates, how much more do you needto collect to be able to buy the clock?

6. 69 days more to go before Christmas and you already feel excited about it. If youare Sleeping Beauty and will be put to sleep for 30 days from today, how manydays more do you need to wait, when you wake up?

7. What are the next 2 terms in the pattern {23, 27, 32, 38, ___, ___}

8. Alex and Allan together have 68 marbles. Alex has 12 more marbles than Allan.How many marbles does each own?

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9. In how many bags can you put 25 apples if you are to put 5 apples in each bag?

10. Fifty students run a marathon race. If Liza is 15th and Ann is 23rd, give theposition of the runners between them. How many runners are between them? IfKate is second to the last, what is her position?

III. UNDERSTANDING MULTIPLICATION BETTER

A. Try to give the products orally.

1. 4 2. 5 3. 7 4. 8 5. 7 6. 9 7. 6 8. 3 9. 5x 2 x 6 x 3 x 4 x 5 x 2 x 6 x 8 x 9

10. 11 11. 15 12. 18 13. 28 14. 39 15. 56x 4 x 9 x 6 x 7 x 6 x 4

B. Solve for the products.

1. 4 x 2 x 6 = _______ 5. 6 x 3 x 8 = _______ 9. 9 x 8 x 7= _______

2. 1 x 4 x 5 = _______ 6. 7 x 2 x 5 = _______ 10. 7 x 3 x 7 =_______

3. 4 x 2 x 3 = _______ 7. 5 x 6 x 4 = _______ 11. 9 x 4 x 6 =_______

4. 5 x 2 x 2 = _______ 8. 5 x 5 x 7 = _______ 12. 7 x 8 x 6 =_______

C. Fill in the blanks with the appropriate answers.

1. two 7s = _______ 4. six 3s = _______ 7. _______ 4s = 12

2. five _______ = 25 5. _______ 2s = 8 8. nine 5s = _______

3. _______ 6s = 42 6. nine _______ = 72 9. nine _______ =99

D. Fill in the blanks to make each statement true.

1. 6 x 7 = _______ 4. _______ x 9 = 81 7. 8 x _______ = 72

2. 3 x 17 = _______ 5. 12 x 6 = _______ 8. 15 x 3 = _______

3. 14 x _______ = 42 6. 8 x _______ = 48 9. 16 x 4 = _______

E. Solve for the products.

1. 3 x 50 = ________ 5. 7 x 450 = ________ 9. 8 x 300 = ________

2. 4 x 60 = ________ 6. 7 x 200 = ________ 10. 7 x 230 = ________

3. 6 x 70 = ________ 7. 5 x 600 = ________ 11. 9 x 340 = ________

4. 5 x 320 = ________ 8. 8 x 300 = ________ 12. 6 x 570 = ________

F. Problem solving.

1. If a sandwich costs 12, how much would 4 friends pay for one each?

2. In the garden of Ann she has 6 different kinds of flowers. If she has 3 pots of eachkind, how many pots of flowers does she have?

3. If a box contains 6 cookies, how many cookies are in 12 boxes?

4. If it takes 5 seconds to write your name on paper, how many seconds will it takeyou to write your name on paper 15 times?

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5. In a subdivision, every house contains 4 rooms. How many rooms are there in allif the subdivision has 16 houses already built?

7. Linda is 12 years old. Her uncle is three times her age. After 3 years, what will bethe age of her uncle?

8. A story book contains 9 fairy tales. If every story is written on about 12 pages,about how many pages does the book have in all?

9. Oscar will have an exam. If for every chapter they discussed, he has to review 8pages, how many pages does he have to review if they discussed 6 chapters inclass?

10. Mario, Rick and Chad went to Ilocos. If each of them bought 12 differentsouvenirs from the province, how many souvenirs did they bring home in all?

G. Analyze each problem and solve.

1. If the factors are a. 5 and 7, b. 9 and 12, what is the number?

2. The product is a. 96 b. 129, and one factor is 3, what is the other factor?

3. What number when multiplied by 10 is 84 less than a. 124? b. 404?

4. The product of three numbers is 24 and their sum is 9. What are the numbers?

5. What number when multiplied by itself equals a. 25? b. 81? c. 121?

6. 81 multiplied by a number is itself? What is the number?

7. The product of two numbers is equal to a. 42 b. 63 c. 84. If oneof the factors is 7, what is the other factor?

8. The product of 9 and another number is equal to a. 99 b. 135. What is the other

number?

9. What number multiplied by 378 will be 0?

10. What number gives a. 54 b. 72 c. 96 when multiplied by 6?

Challenge!!!

A. Find the two numbers corresponding to the given products and sums.

PRODUCT SUM PRODUCT SUM

1. 63 16 ______ ______ 4. 28 13 ______ ______

2. 39 16 ______ ______ 5. 45 14 ______ ______

3. 56 15 ______ ______ 6. 84 19 ______ ______

B. Using the given digits form two 2-digit numbers with the SMALLEST and theGREATEST possible products.

1st 2nd smallest 1st 2ndgreatest

no. no. product no. no. product

1. 1, 2, 3, 4 _____ _____ _____ _____ _____ _____2. 4, 3, 5, 1 _____ _____ _____ _____ _____ _____

3. 2, 5, 6, 4 _____ _____ _____ _____ _____ _____

C. 1. Mario and VJ have 30 marbles each. If each of their 3 friends have 15 morethan Mario, how many marbles are there in all?

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2. Supposing you were given the chance to go around the world in 5 weeks. Selectfrom below your destinations to complete your allocated time if you are onlyallowed the following days in each country:

Hawaii - 9 days Hongkong - 12 days Nepal - 5 days

Los Angeles - 7 days California - 8 days Poland - 4 days

Australia - 6 days Thailand - 7 days Ireland - 10 days

Egypt - 5 days India - 4 days Brunei - 7 days

IV. UNDERSTANDING DIVISION BETTER

A. Find each quotient.

1. 72 3 = ______ 2. 63 9 = ______ 3. 12 4 = ______

4. 56 7 = ______ 5. 45 3 = ______ 6. 24 3 = ______

7. 42 6 = ______ 8. 72 9 = ______ 9. 55 11 =______

10. 48 8 = ______ 11. 32 4 = ______ 12. 25 5 = ______

B. Write a number sentence for each and find the quotient.

1. 60 members; 6 in each group, how many groups? ______________________________

2. 25 students; 5 from each grade, how many grades? _____________________________

3. 48 eggs; a dozen in a box, how many boxes? ____________________________________

4. 72 marbles shared among 9 friends; how many per friend? _____________________

5. 45 cookies for 5 grandchildren; how many per grandchild? _____________________

6. 28 apples for 7 boys, how many per boy? ______________________________________

7. 18 roses for 6 ladies, how many per lady? ______________________________________

8. 50 candies for 5 children, how many per child? ________________________________

9. 45 donuts for 9 boys and girls, how many per child? ___________________________

10. 12 gifts for two birthday celebrants, how many per celebrant? _________________

11. How many sevens are in 49? ____________________________

12. How many nines are in 81? _____________________________

13. How many fours are in 72? _____________________________

14. How many sixes are in 36? _____________________________

15. How many eights are in 64? _____________________________

C. Using the numbers in each set, write a multiplication sentence andtwo division sentences for each set.

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1. { 6, 8, 48 } _______________ 4. { 7, 56, 8 } _______________

_______________ _______________ _______________ _______________

2. { 7, 9, 63 } _______________ 5. { 12, 4, 48 } _______________

_______________ _______________ _______________ _______________

3. { 6, 9, 54 } _______________ 6. { 13, 3, 39 } _______________

_______________ _______________ _______________ _______________

D. Find the quotients._____ _____ _____ _____

1. 4 ) 8 0 2. 3 ) 4 5 3. 8 ) 8 8 4. 5 ) 6 5

_______ _______ ______ ______

5. 3 ) 6 6 6 5. 7 ) 4 9 7 7. 5 ) 3 6 5 8. 4 ) 7 5 2______ ______ ______ ______

9. 9 ) 747 10. 8 ) 656 11. 7 ) 588 12. 9 ) 846

E. Find the average of each set of numbers.

1. 9, 8, 7 ________ 6. 23, 26, 27, 24 ________

2. 14, 18, 19 ________ 7. 62, 63, 65, 66 ________

3. 22, 24, 29 ________ 8. 71, 74, 73, 79 ________

4. 31, 37, 34 ________ 9. 35, 38, 32, 30, 40 ________

5. 48, 44, 43 ________ 10. 62, 72, 63, 67, 61 ________

F. Problem Solving: What number is asked for?

1. If my number is divided by 3, you get 7.

2. My number when grouped into nines becomes 2 groups.

3. Add 13 to me, then divide by 6 and you get 3.

4. Divide my number by 2. Then, subtract 6 from the quotient and you get 5.

5. Add 12 to me and then divide by 5 to get 35.

6. Subtract 9 from me and divide the result to get 9.

Challenge!!!

1. Three dozen eggs are needed in a game. If 3 eggs are placed in a group, howmany groups of eggs are there?

2. A flower shop sold a total of 656 flowers in March, 498 in April and 964 flowers inMay. What is the average number of flowers sold each month?

3. Grandmother baked some cookies. If she will give 7 cookies to each of hergrandchildren, she will lack 3. But if she will give 6 to each child she has 2 leftover. How many grandchildren does she have in all?

4. You are in-charge of games for 72 children. In how many ways can you dividethem into groups such that each group has the same number of children?

5. Given the number 567, what is the remainder when it is divided by a. 5?b. 6? c. 7? d. 8? e. 9?

6. There are 81 sheep in the farm. If you are to divide the sheep into 9 in eachgroup for the trip to the market, how many groups will there be?

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7. I am a number between 80 and 90. If you divide me by either 9 or 3, theremainder is 2. What number am I?

8. The sum of my digits is 9. If you divide me by 2, the remainder is 1. One of myfactors is 3. I am greater than 330 but less than 340. What number am I?

9. In my birthday party, I have 5 cakes each divided into 8. If there are 20 children,how many pieces can mother give each child?

10. I am a 3-digit number. My ones is 3 less than my hundreds and my tens is 2more than my ones? What numbers can I be?

11. You have 4 pants/skirts and 5 shirts/blouses. In how many ways can you dressup?

12. Rose, Pete and EJ scored a total of 360 points. Rose scored 102 points. Petescored 15 points less than Rose. How many points did EJ get?

V. UNDERSTANDING FRACTIONS BETTER

A. Write the following in symbols.

1. two-fifths _______ 2. seven-tenths _______ 3. five-sixths_______

4. six-tenths _______ 5. two-twelfths _______ 6. six-eighths _______

7. one-thirds _______ 8. six-thirteenths _______ 9. four-sixths _______

10. five-eighths _______ 11. One-half _______ 12. six-sixths _______

B. Write in words.

1. 2/3 ________________________ 2. 5/9 ________________________

3. 8/12 _______________________ 4. 2/13 _______________________

5. 3/6 ________________________ 6. 6/16 _______________________

7. 8/10 _______________________ 8. 8/9 ________________________

9. 9/15 _______________________ 10. 7/12 _______________________

C. Identify the numerator and denominator of each fraction given below.

Num. Den. Num. Den. Num. Den.

1. 2/4 ______ ______ 4. 5/15 ______ ______ 7. 8/11 ______ ______

2. 5/7 ______ ______ 5. 18/20 ______ ______ 8. 3/17 ______ ______

3. 6/13 ______ ______ 6. 11/22 ______ ______ 9. 18/57 ______ ______

D. Divide the illustration according to what is asked and shade the parts to show thefraction. Then, fill in the [ ] with the correct answer.

1. 5/10 means [ ] of the [ ] equal parts.




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E. Write >, < or = on the blanks provided for.

1. 1/2 ___ 4/8 2. 5/6 ___ 2/8 3. 7/8 ___ 5/8 4. 3/4 ___ 1/85. 5/6 ___ 3/3 6. 2/5 ___ 3/4 7. 3/5 ___ 4/6 8. 4/8 ___ 4/6

9. 3/5 ___ 3/6 10. 5/8 ___ 2/6 11. 2/5 ___ 2/6 12. 3/6 ___ 6/8

13. 8/8 ___ 4/4 14. 2/6 ___ 5/5 15. 1/3 ___ 2/5 16. 3/5 ___ 4/6

F. Arrange the fractions from the least to the greatest.

1. 10/4, 4/10, 3/5, 5/3 ___________________________

2. 4/3, 3/4, 5/6, 6/5 ___________________________

3. 5/7, 5/8, 5/9, 5/10 ___________________________

4. 14/12, 7/12, 16/12, 8/12 ___________________________

5. 7/8, 6/8, 8/8, 5/8 ___________________________

G. Find the answer.

1. 1/2 of 16 _______ 2. 1/4 of 44 _______ 3. 2/6 of 36 _______

4. 2/3 of 33 _______ 5. 2/3 of 24 _______ 6. 3/4 of 16 _______

7. 5/8 of 16 _______ 8. 4/5 of 15 _______ 9. 5/7 of 49 _______

H. Change each mixed number to an improper fraction and vice versa.

1. 5 3/4 = ______ 4. 3 4/12 = ______ 7. ______ = 32/6

2. 2 3/6 = ______ 5. ______ = 4 6/8 8. 19/13 = ______

3. ______ = 4 5/6 6. 6 5/6 = ______ 9. 33/5 = _______

Challenge!!!

1. Which among these fractions is nearest to 2? Why? 18/7, 19/7, 15/7 16/7

2. There are 54 pupils in a class. 2/9 of them walk to school, 1/3 of them take aschool bus and the rest take a jeep. How many pupils go to school by eachmethod?

3. Place the candies in the plates so that you have a different number of candies ineach plate. Can you do it in more than one way?

a. 1 dozen candies, 3 plates b. 2/3 dozen candies, 2 plates

c. 3 dozen candies, 6 plates d. 2 1/2 dozen candies, 5 plates

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1/2 1/3

1/4

1/5

1/6

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4. Mother baked a big cake. She divided it into 24 equal pieces. She gave 6 piecesto one neighbor and 4 pieces to another neighbor. The family ate 8 pieces. Whatfraction of the cake remained?

5. Nancy was playing on their steps. There are 16 steps. She went half- way up thesteps, then down 5 steps, up 7 steps and then down 6 steps. What step was sheon?

6. There are 48 pupils in a class. 5/8 of the class are girls. 1/3 of the girls and 1/2 of

the boys wear black shoes. How many pupils in the class wear black shoes.

7. Riza has 64 stamps. 3/8 of them are foreign stamps and the rest are Philippinestamps. Riza gave 1/3 of her foreign stamps and 1/4 of her Philippine stamps toher sister. How many stamps did Riza give away? How many of each kind ofstamps remained with her?

8. A group of scouts hiked 3 2/3 kilometers. The trail they hiked was marked every1/3 kilometer. If the first marker was at the beginning of their hike and the last atthe end of their hike, how many markers could they have counted?

VI. UNDERSTANDING OUR MONEY BETTER

A. Answer each of the following:

1. How many different coins do we use? Name and tell what you can see on eachside of each coin.

2. How many different bills do we use? Name and tell what you can see on each sideof each bill.

3. How many twenty-five centavo pieces are equal to ten pesos?

4. One 50-bill is equal to how many five peso coins?5. How many ten-peso coins will you get in exchange for a a. 100-bill? b. 200-

bill?

B. Fill in the blanks.

1. In 7.50, there are _______ 5 centavo coins.

2. In 11.00, there are _______ 25 centavo coins.

3. There are _______ 5-peso coins in 100.00

4. There are _______ 20-peso bills in 200.005. There are _______ 50-peso bills in 300.00

6. 18 twenty five-centavo pieces = __________

7. 8 five peso coins and 7 five centavo pieces = __________

8. 9 ten peso coins and 9 twenty-five centavo pieces = __________

C. Read each of the amounts of money orally.

1. 80 2. 76 3. 125 4. 256 5. 355

6. 4.55 7. 62.65 8. 54.84 9. 77.65 10. 276.75

D. Write each of the following amounts of money using the and the signs.

1. 85 centavos _______ _______ 2. 345 centavos _______ _______


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7. 215 pesos ________ _______ 8. 158 pesos _______________

E. Perform the indicated operations.

1. 42 3. 7.15 5. 437 7. 23.55 9. 16.79

+ 35 + 2.75 - 328 + 6.98 -8.20

2. 2.35 4. 46.80 6. 53.75 8. 51.45 10. 84.50+ 3.65 - 13.90 + 24.56 - 23.80 + 65.85

F. Using , or = , make each statement true.

1. 24.18 ___ 23.81 6. 0.96 ____ 0.55 + 0.41

2. 5.85 ___ 5.58 7. 62 ____ 26.95

3. 7.64 ___ 4.78 + 2.86 8. 9.00 ____ 5.90 + 2.854. 60.50 ___ 55.00 + 5.55 9. 86.00 ___ 15.60 + 70.40

5. 7.05 + 6.40 ___ 12.85 10. 63.45 ___ 3.95 + 59.15

G. Analyze and solve.

1. Ben bought 2 notebooks at 12.50 each and 3 ballpens at 6.60. How much didhe spend in all? How much change did he get from a 50-bill?

2. Lino won 250 from a lottery. He gave 150 to his mother and 25 to his brother.How much money remained with him?

3. Greg runs errands for his neighbors. One Saturday, one gave him 32.50, asecond neighbor gave him 25.75 and a third gave him 32.40. How much didGreg earn that Saturday?

4. Nica made 85 sampaguita garlands. She sold them for 5.00 each. If she sold 78garlands that day, how much did she earn?

H. Find the missing terms.

1. 8.25, 8.75, __________, __________, 10.25

2. 7.02, 8.04, 9.06, __________, __________

3. 9.25, 9.40, __________, 9.70, __________

4. 29.00, __________, __________, 47.00, 53.00

5. 9.99, __________, 8.99, __________, 7.99

Challenge!!!

1. Kevin is asking mother for the 250.00 he asked her to keep last week to buy apresent for his father. Find different ways mother can give him his money using

10-coins, 20 and 50 bills.

2. 6 coins are in my pocket. One of them is less than 5 but greater than 25 invalue. One is a 25 coin while another one is greater than a 1 coin. I have two ofeach kind. How much is in my pocket?

3. If a toy car costs 74.50, a toy plane 98.75 and a whistle costs 29.75, howmuch more does Steve need to save, if he only has 109.95?

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4. Lilia would like to save some money to buy a gift for her mother. She is planningto buy a bag worth 155.00. In school, softdrinks cost 9.00 a cup. If she alreadyhas 78.00, how many days should she give up on softdrinks in order to save theadditional amount?

5. Norie is working at a computer shop. If she earns 45 per hour, how much doesshe receive a week if she works for 5 hours everyday except on Sunday?

6. Diskettes cost 15 each. If Letlet bought 6 diskettes and Liza bought 8, by howmuch more did Liza pay than Letlet?

7. Josie bought some school materials at a store. If she gave the cashier a 500bill and received a change of 235, how much did she spend for her schoolmaterials?

8. Nina has 85.00. Lina has 15.00 less than twice as much as Nina. How muchmoney has Lina?

9. I have 200.00. Apples cost 8.00 each. How many can I buy with my money?

10. Liza bought a bag and a blouse for 204. If the bag cost 36 less than theblouse, how much did each cost?

VII. UNDERSTANDING TIME AND MEASUREMENT BETTER

A. Answer the following orally.

1. How many days are there in a May 2011week? Name them. S M T W T F S

2. How many school days are there 1 2 3 4 5 6 7in a week? What are they? 8 9 10 11 12 1314

3. What is the first day in a week? 15 16 17 18 19 20 21Second day? Last day? 22 23 24 25 26 27 28

4. What is the difference between a 29 30 31leap year and an ordinary year?

5. How many months are there in a year? What is the first? the last?6. What month has the least number of days?7. May 4 is a Wednesday. What other dates in the same month are Wednesdays? If

November 1 is a Tuesday, how many Tuesdays are there in November? Whatdates are they?

8. If December 17 is a Saturday, Christmas will be on what day? How can you tellwithout looking at a calendar?

B. Write the month on which each holiday falls. Can you tell what we do on each ofthese days?

1. All souls day __________ 6. Christmas day __________

2. New Years day __________ 7. Rizal Day __________

3. Valentines day __________ 8. All Saints day __________

4. Independence day __________ 9. Bonifacio day __________

5. Santacruzan __________ 10. United Nations day __________

C. Write the time given by each illustration.

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1. ________ 2. ________ 3. ________ 4. ________ 5. ________

D. Draw the missing hands of each clock to show the time asked for.

1. 10 past 8 2. 2 quarter 3. quarter to 11 4. quarter to 5

E. Tell orally the time you do each of the following activities.

1. wake up 3. go to school 5. go home 7. eat supper2. eat breakfast 4. have recess 6. study & do homework 8. go to bed

F. What unit will you use to measure each of the following objects? Meter (m),Centimeter (cm) or Kilometer (km)?

1. length of a ballpen _____ 5. width of a paper ______2. width of the door ______ 6. height of a bookshelf______

3. thickness of a book ______ 7. length of a belt ______

4. distance from home to school ______ 8. distance between 2 cities______

G. Fill in the blanks with the appropriate unit for each weight. Writegram (g) or kilogram (kg) on the blank provided for it.

1. A hollow block weighs about 2 _____.

2. A cup of sugar weighs about 150 _____.

3. A book weighs about 205 _____ 4. A sack of rice weighs about 50 _____.

5. A chair weighs about 2 _____. 6. An egg weighs about 30 _____.

7. A bag of candies weighs about 250 _____.

8. An apple weighs about 150 _____.

H. Find the perimeter and area of each of the following figures.

1. ____________ 2. ____________ 3. ____________ 4. ____________

Challenge!!!

A.1. Nina has a piece of ribbon 3 m long. She will cut it into 15 cm pieces. Howmany pieces of ribbon will she be able to cut?

2. Greg built a fence around his vegetable garden. If his garden is 21 meters longand 15 m wide, how much fencing materials did he use for it? If each meter offencing cost 42.50, how much did the fencing for his garden cost?

3. Mother bought 25 m of cloth for curtains. If each curtain needs 3 meters, howmany curtains can she make?

4. Trace the square grid at the right. Each side of the small squares is 1 cm.a. What is the perimeter of the square?b. What is its area?

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12 dm21m

30cm

20 m

15 m

15 cm

8 cm


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c. Can you divide it into 4 pieces so that each piecehas a perimeter of 12 cm? What is the area of each?

d. Can you divide it into 6 pieces so that each piecehas a perimeter of 14 cm? What is the area of each?

5. The perimeter of a rectangle is 36 cm. What could be its length and width if bothare whole numbers and both are greater than 3 cm?

B. 1. A fruit vendor started the day with 6 boxes of apples. There were 95 apples ineach box. He sold 2/5 of the oranges in the morning and 1/2 of the remainingapples in the afternoon. He then packed the remaining apples into bags of 6.How many bags did he pack?

2. In a zoo, there is enough food to feed 8 ducks for 5 days. If on the first day 2 newducks arrived, how many days will the food last?

3. Nine small squares are put together to form a bigger square. If the perimeter ofthe bigger square is 192 cm, find the perimeter and area of each of the smallsquares.

4. Five stones are placed in a straight line on the ground at intervals of 3 feet.Fifteen feet beyond the first stone, is a post from which a boy starts, picks up astone and returns to the post, puts down the stone and runs back to pick upanother stone and repeats the procedure until he has put all the 5 stones at thepost. How far does he run in all?

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Mathematics for Grade 2 Teachers