Grade 2 Mathematics

© 2020 Curriculum Associates, LLC. All rights reserved.

Grade 2 MathematicsStudent At-Home Activity Packet

This At-Home Activity Packet includes 22 sets of practice problems that align to important math concepts your student has worked with so far this year.

We recommend that your student completes one page of practice problems each day.

Encourage your student to do the best they can with this content—the most important thing is that they continue developing their mathematical fluency and skills.

See the Grade 2 Math concepts covered in

this packet!

© 2020 Curriculum Associates, LLC. All rights reserved.

Grade 2 Math concepts covered in this packet

Concept Practice Fluency and Skills Practice

Understanding Addition and Subtraction Strategies

1 Adding by Counting On and Making a Ten ............... 3

2 Using Doubles and Doubles Plus 1 .............................. 4

3 Counting On and Making a Ten to Subtract ............. 5

Understanding Addition and Subtraction Word Problems

4 Solving Take-Apart Word Problems ............................. 6

5 Solving Comparison Word Problems .......................... 8

6 Ways to Solve Two-Step Problems ............................... 9

7 Ways to Model Word Problems ..................................... 10

Understanding Addition and Subtraction of Multi-Digit Numbers

8 Different Ways to Show Addition.................................. 11

9 Subtracting by Adding Up .............................................. 12

10 Subtracting by Regrouping ............................................ 14

11 Strategies to Find a Missing Addend ........................... 15

Understanding Place Value Concepts and Regrouping

12 Finding the Value of Three-Digit Numbers ............... 17

13 Writing Three-Digit Numbers......................................... 18

14 Ways to Compare Three-Digit Numbers .................... 20

15 Adding and Regrouping Ones ....................................... 21

16 Adding and Regrouping Tens ........................................ 22

17 Regrouping Tens to Ones ................................................ 23

18 Regrouping Hundreds to Tens ....................................... 24

19 Adding Four Two-Digit Numbers ................................. 25

Understanding Length

20 Measuring in Inches and Centimeters ......................... 26

21 Measuring in Inches and Feet ........................................ 28

22 Measuring in Centimeters and Meters ........................ 30

© 2020 Curriculum Associates, LLC. All rights reserved. 3©Curriculum Associates, LLC Copying is permitted for classroom use.

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Fluency and Skills Practice

1 8 1 2 5

3 6 1 4 5

5 7 1 3 5

7 9 1 1 5

9 5 1 5 5

11 9 1 2 5

13 8 1 4 5

15 6 1 9 5

2 8 1 3 5

4 6 1 8 5

6 7 1 5 5

8 9 1 6 5

10 5 1 8 5

12 2 1 9 5

14 4 1 8 5

16 6 1 7 5

17 Which strategy did you use to solve problem 11? Explain.

Add.

Adding by Counting On and Making a Ten


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1 4 1 4 5

3 6 1 6 5

5 7 1 7 5

7 9 1 9 5

9 5 1 5 5

11 8 1 8 5

2 4 1 5 5

4 5 1 6 5

6 8 1 7 5

8 8 1 9 5

10 6 1 5 5

12 7 1 8 5

13 Which strategy did you use to solve problem 12? Explain why.

Add.

Using Doubles and Doubles Plus 1


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1 12 2 3 5

3 1 5 12

3 11 2 3 5

3 1 5 11

5 12 2 5 10

12 2 4 5

7 16 2 5 10

16 2 9 5

2 14 2 5 5

5 1 5 14

4 15 2 7 5

7 1 5 15

6 13 2 5 10

13 2 6 5

8 15 2 5 10

15 2 9 5

9 In problem 6, how did you use your first answer to find your second answer?

Complete each set of equations.

Counting On and Making a Ten to Subtract


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1 Hailey buys 9 potatoes. 4 potatoes are white. The rest are red. How many red potatoes are there? Show your work.

Solution potatoes are red.

2 Levi has 17 pet fish. 7 of the fish are goldfish. The rest are mollies. How many fish are mollies? Show your work.

Solution fish are mollies.

3 Ada wants to read 12 books over the summer. 5 books are stories about cats. The rest are stories about horses. How many books are stories about horses? Show your work.

Solution books are stories about horses.

4 There are 16 chairs at a table. 7 students sit down. The rest of the chairs are empty. How many chairs are empty? Show your work.

Solution chairs are empty.

Solve problems 1–6.

Solving Take-Apart Word Problems


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Solving Take-Apart Word Problems continued

5 Luis sees 14 dogs at the dog park. 6 of the dogs are small dogs. The rest of the dogs are big dogs. How many dogs are big? Show your work.

Solution dogs are big.

6 Sadie has 20 crayons. She finds 8 crayons in her desk. The rest of the crayons are in her crayon box. How many crayons are in Sadie’s crayon box? Show your work.

Solution crayons are in the crayon box.

7 Which strategy did you use to solve problem 6? Explain why.


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1 There are 4 fewer cats than dogs. There are 2 cats. How many dogs are there?

dogs

3 Anna has 7 baskets and some flowers. She has 5 fewer baskets than flowers. How many flowers does Anna have?

Anna has flowers.

5 There are 9 apples. There are 6 fewer apples than oranges. How many oranges are there?

oranges

2 Trevor sees 8 red birds. He sees 5 more red birds than blue birds. How many blue birds does Trevor see?

Trevor sees blue birds.

4 There are 14 coats and some hats. There are 6 more coats than hats. How many hats are there?

hats

6 Brynne has 13 books. She has 8 more books than games. How many games does Brynne have?

Brynne has games.

Solve problems 1–6. Show your work.

Solving Comparison Word Problems


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1 Jack has 9 flowers to plant. He plants 2 flowers before lunch. Then he plants 3 more after lunch. How many flowers does Jack have left to plant?

Jack has flowers left to plant.

3 Bella paints 6 pictures on Monday and 8 pictures on Wednesday. Then she paints 3 more pictures on Friday. How many pictures does Bella paint this week?

Bella paints pictures this week.

5 Lucas has 5 crayons. His sister gives him 6 more. Then he gives 4 to a friend. How many crayons does Lucas have now?

Lucas has crayons.

2 There are 8 girls at the park. First, 5 girls go home. Then 6 more girls come to the park. How many girls are at the park now?

There are girls at the park.

4 Ali puts 12 books in a box. She takes 4 books out of the box. Then she puts 6 books in the box. How many books are in the box now?

There are books in the box.

6 Miss Brady puts 15 pencils in her desk. Then she takes out 9 pencils. After school she puts 5 pencils back in her desk. How many pencils are in Miss Brady’s desk now?

There are pencils in the desk.


Ways to Solve Two-Step Problems


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1 Tony has 37 building blocks. Then he buys more blocks. Now he has 51 blocks. How many blocks does Tony buy?

Tony buys blocks.

3 Jen has some buttons. She gets 23 more buttons from her mom. Now she has 65 buttons. How many buttons did Jen have to begin with?

Jen had buttons to begin with.

5 Ayanna reads 26 pages of her book at school. Later she reads more pages at home. Now she has read 54 pages. How many pages does Ayanna read at home?

Ayanna reads pages at home.

2 There are some chairs in the art room. Mrs. Lopez brings in 16 more chairs. Now there are 42 chairs. How many chairs were in the room at the start?

There were chairs in the room at the start.

4 Colby packs 31 boxes in one day. He packs 12 boxes in the morning and some boxes after lunch. How many boxes does Colby pack after lunch?

Colby packs boxes after lunch.

6 The camp has some tents. Campers set up 42 more tents. Now the camp has 60 tents. How many tents did the camp have to begin with?

The camp had tents to begin with.


Ways to Model Word Problems


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1 30 1 7 1 50 1 3 5

3 20 1 8 1 40 1 2 5

5 60 1 6 1 10 1 4 5

7 40 1 5 1 40 1 5 5

9 30 1 9 1 20 1 1 5

11 20 1 4 1 60 1 6 5

13 40 1 3 1 30 1 7 5

2 37 1 53 5

4 28 1 42 5

6 66 1 14 5

8 45 1 5 90

10 1 21 5 60

12 24 1 5 90

14 1 37 5 80

15 How does the information in problem 9 help you solve problem 10?

Find the sums and missing addends.

Different Ways to Show Addition

90


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1 50 2 29 5 ?

5

5

5

50 2 29 5

3 80 2 41 5 ?

1 5

1 5

1 5

80 2 41 5

5 43 2 28 5 ?

1 5

1 5

1 5

1 1 5

43 2 28 5

2 71 2 45 5 ?

1 5

1 5

1 5

1 1 5

71 2 45 5

4 63 2 28 5 ?

1 5

1 5

1 5

1 1 5

63 2 28 5

6 95 2 65 5 ?

1 5

95 2 65 5

Subtract.

Subtracting by Adding Up

49

50

21

21

29 1 20

49 1 1

20 1 1


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Subtracting by Adding Up continued

13 How did you decide what to add first? Then how did you get the answer?

7 65 2 39 5 ?

1 5

1 5

1 5

1 1 5

65 2 39 5

9 75 2 28 5 ?

1 5

1 5

1 5

1 1 5

75 2 28 5

8 47 2 15 ?

1 5

1 5

1 5

1 1 5

47 2 15 5

10 54 2 12 5 ?

1 5

1 5

1 5

1 1 5

54 2 12 5


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1 32 2 16

5 76 2 26

9 42 2 25

13 86 2 19

2 48 2 15

6 82 2 37

10 96 2 40

14 59 2 33

3 57 2 25

7 38 2 28

11 92 2 56

15 77 2 48

4 63 2 39

8 53 2 44

12 65 2 23

16 62 2 27

Circle all the problems where you can regroup a ten to help subtract. Then solve the circled problems.

Subtracting by Regrouping

17 How did you know which problems to circle?

18 Check one of your answers by solving it using a different strategy. Show your work.

16


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1 35 1 5 45

35 1 5 55

35 1 5 60

3 42 1 5 52

42 1 5 82

42 1 5 87

5 26 1 5 36

26 1 5 66

26 1 5 69

7 39 1 5 40

39 1 5 70

39 1 5 75

9 44 1 5 54

44 1 5 64

44 1 5 67

2 24 1 5 34

24 1 5 64

24 1 5 68

4 51 1 5 61

51 1 5 71

51 1 5 76

6 58 1 5 60

58 1 5 70

58 1 5 71

8 27 1 5 30

27 1 5 60

27 1 5 65

10 69 1 5 70

69 1 5 90

69 1 5 93

Solve.

Strategies to Find a Missing Addend

10

20

25


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11 33 1 5 43

33 1 5 73

33 1 5 76

13 26 1 5 70

32 1 5 61

49 1 5 95

15 62 1 5 85

41 1 5 96

53 1 5 77

12 48 1 5 50

48 1 5 80

48 1 5 85

14 57 1 5 83

34 1 5 67

28 1 5 53

16 19 1 5 75

43 1 5 87

68 1 5 99

Strategies to Find a Missing Addend continued

17 Explain how the strategy to solve problem 5 is different from the strategy used to solve problem 6.

18 Explain the strategy you used to solve the first part of problem 14.


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1 300 1 50 1 1 5

3 400 1 20 1 6 5

5 600 1 40 1 2 5

7 3 hundreds 1 7 tens 1 5 ones 5

9 200 1 8 5

11 600 1 70 1 1 5

13 400 1 70 1 6 5



4 400 1 60 1 2 5

6 5 hundreds 1 1 ten 1 3 ones 5

8 500 1 20 1 6 5





The answers are mixed up at the bottom of the page. Cross out the answers as you complete the problems.

Answers:

233

426

332

607

513

375

476

526

280

323

208

351

267

642

671

462

Finding the Value of Three-Digit Numbers


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1 one hundred sixty-four

2 six hundred fifty-two

3 three hundred twelve

4 two hundred sixty-one

5 two hundred five

6 five hundred nineteen

Write the number using only digits.

Writing Three-Digit Numbers

Write the number using only digits.

7 100 1 10 1 6

8 500 1 4

9 300 1 40 1 5

10 300 1 50 1 4

11 400 1 60

12 500 1 40


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Writing Three-Digit Numbers continued

Write the number as a sum of hundreds, tens, and ones. Then write the number using words.

13 522 1 1

14 435 1 1

15 218 1 1

16 310 1

17 Explain how problem 8 is the same and different from problem 12.


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Compare the numbers in each problem two different ways.

1 Compare 250 and 200.

, and .


, and .


, and .


, and .


, and .


, and .


, and .


, and .


, and .


, and .


, and .


, and .

13 What strategies did you use to compare the numbers?

Ways to Compare Three-Digit Numbers


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1 635 1 321

4 825 1 166

7 772 1 109

10 225 1 224

13 273 1 211

2 439 1 154

5 512 1 336

8 347 1 314

11 548 1 406

14 728 1 253

3 336 1 123

6 246 1 348

9 483 1 208

12 475 1 515

15 627 1 263


Adding and Regrouping Ones

Answers:

449

484

954

594

661

848

881

890

990

956

991

459

691

593

981


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1 435 1 283

4 378 1 343

7 152 1 169

10 481 1 262

13 286 1 644

2 205 1 113

5 186 1 175

8 214 1 225

11 145 1 239

14 267 1 174

3 586 1 130

6 476 1 234

9 362 1 556

12 347 1 133

15 383 1 319

Look at the hundreds digits in each problem. Circle those that will have a sum greater than 500. Then find the exact sums of only the problems you circled.

Adding and Regrouping Tens

16 How do you know that 361 1 283 is greater than 500 without finding the sum?

718


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1 875 2 646

4 345 2 224

7 953 2 821

10 663 2 425

13 736 2 517

2 478 2 226

5 761 2 338

8 474 2 156

11 619 2 308

14 563 2 249

3 692 2 437

6 514 2 402

9 320 2 210

12 847 2 628

15 375 2 163

Circle all the problems where you must regroup a ten to subtract the ones. Then find the differences of only the problems you circled.

Regrouping Tens to Ones

16 How can you tell by looking at the problem if you need to regroup a ten to subtract the ones?

229


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1 816 2 432

4 448 2 160

7 628 2 236

10 347 2 154

13 329 2 170

2 927 2 563

5 743 2 471

8 961 2 470

11 835 2 285

14 465 2 195

3 506 2 315

6 476 2 293

9 527 2 256

12 624 2 382

15 519 2 378


Regrouping Hundreds to Tens

Answers:

193

364

183

242

271

141

191

491

550

384

288

159

272

392

270


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Adding Four Two-Digit Numbers

1 29 1 34 1 21 1 36

50 1 70

3 17 1 36 1 43 1 74

5 32 1 24 1 68 1 46

7 32 1 13 1 29 1 35

9 24 1 12 1 74 1 68

2 45 1 38 1 62 1 15

4 55 1 49 1 71 1 15

6 27 1 19 1 33 1 81

8 53 1 74 1 13 1 44

10 92 1 37 1 71 1 14

11 Explain how you found the answer to problem 8.

Find the sum. Show your work.


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1 Use a ruler to measure the length of the piece of tape in inches.

What is the length of the tape? inches

2 Use a ruler to measure the length of the pencil in inches.

What is the length of the pencil? inches

3 Use a ruler to measure the length of the shoe in centimeters.

What is the length of the shoe? centimeters

4 Use a ruler to measure the length of the fish in centimeters.

What is the length of the fish? centimeters

Measuring in Inches and Centimeters


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Measuring in Inches and Centimeters continued

5 Use a ruler to measure the length of the string in both inches and centimeters.

What is the length of the string in inches? inches

What is the length of the string in centimeters? centimeters

6 Use a ruler to measure the length of the rectangle in both inches and centimeters.

What is the length of the rectangle in inches? inches

What is the length of the rectangle in centimeters? centimeters

7 For problem 6, did you write different numbers for the length in inches and the length in centimeters? Explain.


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1 Circle the objects that are easier to measure with an inch ruler.

Underline the objects that are easier to measure with a yardstick.

a bike a leaf a table

a book a sticker

2 Circle the objects that are easier to measure with an inch ruler.

Underline the objects that are easier to measure with a yardstick.

a window a cracker a tent

a marker a blanket

3 What is the length of the rectangle to the nearest inch?

inches0 1 2 3 4 5 6

The rectangle is about inches long.

Measuring in Inches and Feet


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4 What is the length of the baseball bat to the nearest foot?

1 2 3 4 5 6 7 8 9 10 11 12

1 ft 2 ft 3 ft0 13 14 15

Inches YARDSTICK16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

1 2 3 4 5 6 7 8 9 10 11 120inches

1 2 3 4 5 6 7 8 9 10 11 120inches

1 2 3 4 5 6 7 8 9 10 11 120inches

33 3432

The baseball bat is about feet long.

5 What is the length of the branch to the nearest foot?

1 ft 2 ft

The branch is about foot long.

Measuring in Inches and Feet continued


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1 Circle the objects that are easier to measure with a centimeter ruler.

Underline the objects that are easier to measure with a meter stick.

a rug a mitten a pool

a bee a shell

2 Circle the objects that are easier to measure with a centimeter ruler.

Underline the objects that are easier to measure with a meter stick.

a porch a spoon

a watch a bus a lunch bag

3 What is the length of the tape to the nearest centimeter?

centimeters

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

The tape is about centimeters long.

Measuring in Centimeters and Meters


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4 What is the length of the bench to the nearest meter?

62 64 66 68 70 72 74 76 78 802 4 6 8 10 12 14 16 18 20 22 240 26 28 30centimeters

32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 63 65 67 69 71 73 75 77 79 82 84 86 88 9081 83 85 87 89 92 94 96 98 10091 93 95 97 993 5 7 9 11 13 15 17 19 21 23 251 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61

97 999896 100

The bench is about meter long.

5 What is the length of the rectangle to the nearest centimeter?

62 64 66 68 70 72 74 76 782 4 6 8 10 12 14 16 18 20 22 240 26 28 30centimeters

32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 63 65 67 69 71 73 75 773 5 7 9 11 13 15 17 19 21 23 251 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61

71 737270 74

The rectangle is about centimeters long.

Measuring in Centimeters and Meters continued

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Grade 2 Mathematics