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?

Tags

CCSS.2.OA.C.3

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

Tags

CCSS.2.OA.A.1

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

Tags

CCSS.1.OA.A.1

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

Tags

CCSS.1.OA.A.1

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

Tags

CCSS.2.OA.A.1

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

• 4

• 5

• 1

• 6

Tags

CCSS.1.OA.A.1

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

• 6

• 7

• 5

• 8

Tags

CCSS.1.OA.A.1

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

• 10

• 8

• 9

• 6

Tags

CCSS.2.OA.C.3

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

• 3

• 2

• 6

• 4

Tags

CCSS.1.OA.A.1

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

• 3

• 2

• 1

• 5

Tags

CCSS.2.OA.A.1