add and subtract within 20

Its almost Halloween. Miss Madison is decorating the classroom. She hangs 5 things on the door. There are 12 more things hanging on the white board. How many decorations are there in all?

There are 17 students in class. 12 of them earn candy. How many are left without candy?

The 2nd grade class finds 8 spiders at recess. Mr. Stevenson squishes 2. How many are still alive?

Kenzie has 7 tallies. Lakota has 8 tallies. How many tallies do they have in all?

The classroom has 17 decorations hanging in the room. 4 fall down. How many are still hanging up at the end of the day?

4 ducks were swimming in a pond. 1 more came to join them. How many are there all together?

• 4

• 5

• 1

• 6

I had 5 blocks for building. My friend gave me 2 more. How many blocks do I have altogether?

• 6

• 7

• 5

• 8

Mom bought 2 apples and 8 oranges. How many pieces of fruit does she have altogether?

• 10

• 8

• 9

• 6

Hen had 3 eggs. Duck had 3 eggs too. How many eggs did they have altogether?

• 3

• 2

• 6

• 4

Jamie did not have any lollipops. Her friend, John, gave her 1. How many lollipops does Jamie have now?

• 3

• 2

• 1

• 5