Addition and Subtraction Word Problems Within 20

Its almost Halloween. Miss O 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. Eric squishes 2. How many are still alive?

Tegan has 7 tallies. Aashvi 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?

The basketball team lost a game. They scored 2 points but need one more to win. How many points did they need to win?

Miss O has 2 brothers and 4 sisters. How many siblings does she have?

Leela brought treats for her birthday party. She already had 7 treats. There are 17 people in at her party. How many more did she need?

Ross made 19 cupcakes. His dog, Scooper, ate 13 of them. How many cupcakes are left?

Hailey grows up and gets 5 cats. She has room in her house for 7 more. How many cats can she get in all?