Lesson 1

1 Write the numbers in standard form.

1

5 th O19th R8 th B15th S

16th Y2 nd L14th I7 th Y

13th H18th A1 st I9 th E

6 th M17th E4 th D11th T

10th S3 rd L12th T

Write the correct letters in the blanks.3

‘

2 Write the addition facts having a sum of:

15 1311

three thousand, eight hundred sixty-one= thousands + hundreds + tens + ones

five thousand, six hundred eight= thousands + hundreds + tens + ones

nine thousand, four hundred twenty-seven= thousands + hundreds + tens + ones

two thousand, thirty-five= thousands + hundreds + tens + ones

six thousand, five hundred forty-nine= thousands + hundreds + tens + ones

4

2

13+ 27

58+ 38

36+ 45

64+ 18

Find the sum.

27+ 36

45+ 27

39+ 58

29+ 23

42+ 48

14+ 57

36+ 28

29+ 66

35+ 36

57+ 18

68+ 25

79+ 12

Connect the dots.5

Find the difference.6

79- 69

53- 51

68- 20

94- 30

95- 84

37- 27

86- 25

73- 43

48- 21

65- 12

94- 61

56- 34

82- 30

69- 37

27- 15

87- 62

Find the sum.

Lesson 2

1 Match the numbers.

3

2 Write the numbers in expanded and standard form.

four thousand, three hundred twenty-five

4 thousands + 3 hundreds + 2 tens + 5 ones = + + + =

seven thousand, two hundred six

7 thousands + 2 hundreds + 0 tens + 6 ones = + + + =

one thousand, eight hundred forty-three

1 thousand + 8 hundreds + 4 tens + 3 ones = + + + =

eight thousand, seventy-one

8 thousands + 0 hundreds + 7 tens + 1 one = + + + =

five thousand, six hundred ninety-two

5 thousands + 6 hundreds + 9 tens + 2 ones = + + + =

3

23rd fortieth

86th seventy-fifth

40th twenty-third

57th eighty-sixth

31st ninety-second

75th fifty-seventh

92nd thirty-first

483 three hundred twenty-seven

609 six hundred ninety

572 five hundred seventy-two

327 four hundred eighty-three

690 eight hundred thirty-eight

838 six hundred nine

250 two hundred fifty

84+ 90

98+ 11

80+ 23

94+ 75

73+ 56

61+ 97

82+ 45

53+ 51

92+ 50

62+ 47

81+ 34

86+ 73

72+ 34

67+ 60

94+ 31

81+ 66

Find the difference.4

4

89- 85

76- 36

78- 56

58- 17

63- 22

94- 24

18- 15

45- 23

96- 73

89- 30

47- 31

99- 49

74- 61

82- 42

69- 41

57- 50

5 Write the subtraction facts having a difference of:

1. 59 - 432. 32 + 185. 4 tens + 2 ones

Down

6. 7 tens8. 5 hundreds11. 5 tens + 1 one

12. 32 + 2213. twenty-five14. 87 - 46

6

1. 74 + 834. 6 hundreds + 4 tens + 7 ones7. 6 tens9. 70 - 50

10. three hundred seven11. 65 - 1013. 2 tens + 4 ones15. 98 + 4616. eight hundred fifty-one

Across1 2 4 5 6

7 8 9

10

11 12 13 14

15 16

Lesson 3

1 Circle the closer ten.

5

29 20 30

32 30 40

86 80 90

51 50 60

97 90 100

48 40 50

73 70 80

14 10 20

Find the sum.3

81+ 49

67+ 89

86+ 84

96+ 47

45+ 75

53+ 68

42+ 68

98+ 76

73+ 59

57+ 93

76+ 86

28+ 95

97+ 87

89+ 23

87+ 94

53+ 77

38 30 40

92 90 100

63 60 70

84 80 90

77 70 80

59 50 60

41 40 50

16 10 20

2 Write the correct time.

During the morning the time is (A.M. or P.M.)?During the afternoon the time is (A.M. or P.M.)?

Write the numbers in standard form.4

6

two thousand, three hundred fifty-eight2 thousands + 3 hundreds + 5 tens + 8 ones =

six thousand, seven hundred four6 thousands + 7 hundreds + 0 tens + 4 ones =

nine thousand, one hundred ninety9 thousands + 1 hundred + 9 tens + 0 ones =

five thousand, eight hundred twenty-seven5 thousands + 8 hundreds + 2 tens + 7 ones =

three thousand, sixty-nine3 thousands + 0 hundreds + 6 tens + 9 ones =

Find the difference.6

87- 17

49- 48

28- 14

87- 54

37- 12

28- 22

59- 43

95- 42

73- 13

86- 85

76- 36

94- 53

58- 17

19- 16

69- 12

98- 10

Match the numbers.5

484 four hundred eighty

480 eight hundred forty

804 eight hundred eighty-four

844 four hundred eighty-four

840 four hundred four

448 eight hundred forty-four

404 eight hundred four

884 four hundred forty-eight

408 four hundred forty-four

880 eight hundred forty-eight

440 four hundred eight

444 eight hundred eighty-eight

848 eight hundred eighty

488 eight hundred eight

888 four hundred eighty-eight

808 four hundred forty