What is the sum?
Make a double
Base-Ten
Which equation?
Decompose
100

What is the sum of 9 + 7? 

16

100

What is the sum of 7+7?

14

100

Pluto buys 7 bones and 11 toys. How many much does Pluto buy in all? Use base-ten shorthand to solve.

18 in all

100

What equation has the same sum as 12 + 3?

a. 3+12

b. 21+3

c. 3+21

d. 15+3

a. 3+12

100
How can you decompose by place value?


27 = ____ + _____

20 + 7

200

What is the sum of 8+6?

14

200

What is the sum of 8 + 7? Use your doubles facts to solve.

15

200

Donald has 14 red hats and 7 blue hats. How many hats does Donald have in all? Use base-ten shorthand to solve.

21 hats

200

What equation has the same sum as 22 + 31?

a. 13+22

b. 22+13

c. 31+22

d. 53+31

c. 31+22

200

How can you decompose by place value to add?

      23      +       42 = ?

___    ___     ___  ___

20 + 3         40 + 2

300

What is the sum of 12+8?

20

300

Mary says she can find the sum of 8 + 9 by making a double to help her solve it. Which doubles fact does Mary use?

a. 10+10

b. 8+8

c. 4+4

d. 7+7

b. 8+8

300
What is the sum? Solve using base-ten shorthand.


32+28=?

60

300

What equation has the same sum as 54 + 18?

a. 54+72

b. 45+81

c. 81+45

d. 18+54

d. 18+54

300

How can you decompose by place value to add?

      57      +       11 = ?

___    ___     ___  ___

50 + 7

10 + 1

400

What is the sum of 34 + 49?

83

400

Mickey says he can find the sum of 4 + 7 by making a double to help him solve it. Which doubles fact does Mickey use?

a. 10+10

b. 8+8

c. 4+4

d. 7+7

c. 4+4

400

Daisy has 34 red bows and 17 pink bows. How many bows does Daisy have in all? Use base-ten shorthand to solve.

51 bows

400

What equation has the same sum as 42 + 12?

a. 24+12

b. 24+21

c. 12+42

d. 42+21

c. 12+42

400

How can you decompose by place value to add?

      69      +       42 = ?

___    ___     ___  ___

60 + 9

40 + 2

500

What is the sum of 32+25+16?

73

500

Minnie says she can find the sum of 10 + 14 by making a double to help her solve it. Which doubles fact does Minnie use?

a. 10+10

b. 8+8

c. 4+4

d. 7+7

a. 10+10

500

Goofy buys 29 blueberries and 38 strawberries. How many berries does Goofy buy in all? Use base-ten shorthand to solve.

67 berries

500

What equation has the same sum as 59 + 89?

a. 89+59

b. 98+95

c. 59+98

d. 95+89

a. 89+59

500

How can you decompose by place value to add?

      56      +       86 = ?

___    ___     ___  ___

50 + 6 

80 + 6