Addition Problems to 20

The second grade class found 9 spiders at breaktime. The first grade class found 8 spiders at lunchtime. How many spiders did they find in total?

What operation do you use when something INCREASES, or gets bigger?

• subtraction

• addition

• both

Lee saw 6 squashes and 7 pumpkins growing in his garden. How many vegetables did Lee see growing in his garden?

Solve the problem by drawing a picture and a number sentence: 1. Laura saw 5 bluebirds and 6 robins sitting in a tree. How many birds did she see sitting in the tree?

Jack has 8 pencils on his pencil box. He has 6 more pencils in his supply drawer. How many pencils does Jack have all together?

• 14

• 12

• 15

• 10

There are some frogs in the pond. Then 4 more frogs jump in. Now there are 12 frogs in the pond. How many frogs were in the pond to start?

• 16

• 8

• 10

• 4

There were 6 cats sitting in the sun. Then 9 more cats joined them. How many cats are sitting in the sun now?

• 16 cats

• 9 cats

• 10 cats

• 15 cats

Sarah has 8 apples. She buys 5 more apples. How many apples does she have now?

• 12

• 13

• 14

• 15

Tom has 7 toy cars. His friend gives him 6 more toy cars. How many toy cars does Tom have in total?

• 11

• 12

• 13

• 14

Lisa has 4 red balloons, 3 blue balloons, and 5 green balloons. How many balloons does she have in total?

• 10

• 11

• 12

• 13