Sam had 9 animals on his farm. He sold some animals.

The picture shows the number of animals left on his farm.

How many animals did he sell?

There were 10 chickens. Some chickens went into the coop.

The picture shows the number of chickens left outside.

How many chickens are in the coop?

David had 8 stickers. He gave Ava some stickers.

The picture shows the number of stickers he has left.

How many stickers did David give Ava?

Linda baked 9 cupcakes. She ate some cupcakes.

The picture shows the number of cupcakes left.

How many cupcakes did she eat?