Use Addition to Subtract

• 2

• 6

• 4

• 1

• 5

• 4

• 6

• 3

• 1

• 8

• 5

• 4

There are 6 kittens. 4 are adopted. How many kittens still need to be adopted?

• 1

• 2

• 4

• 5

• 1

• 5

• 2

• 6