Addition and Subtraction Strategies to 20 (2)

Marissa saw 9 birds. She saw 4 fly away. How many were left?

• 5

• 14

• 13

• 12

Ryan picked 5 apples. Maria picked 6 apples. How many apples did they pick in all?

• 11

• 10

• 1

• 12

There are 7 frogs in the pond. 5 more frogs join them. How many frogs are in the pond now?

• 11

• 12

• 13

• 2

. There are 4 fishes in the pond. 7 more fishes join them. How many fishes are in the pond now?

• 11

• 12

• 13

• 3

Amy planted 12 flowers in two rows. She planted 6 flowers in the first row. How many did she plant in the second row?

Amy planted 14 flowers in two rows. She planted 6 flowers in the first row. How many did she plant in the second row?

• 8

• 9

• 7

• 6

Find the sums: 5 + 2 + 4 =

• 11

• 10

• 12

• 13

Find the sums: 8 + 2 + 6 =

• 16

• 15

• 14

• 13

Find the sums: 8 + 3 + 4 =

• 15

• 16

• 12

• 14

Circle the numbers you add first. Then write the sum:

3 + 7 + 4 = ?

• 14

• 13

• 12

• 15