Diego has 9 pencils at the beginning of the school year. His first week, he lost 2 pencils. How many pencils does he have left?

There are 5 frogs on a log. Some more frogs join them. Now there are 8 frogs on the log. How many frogs joined them?

My teacher brought a box of 6 donuts to school. She gave 4 donuts to the students who had perfect attendance this year. She gave 1 donut to the principal. She ate 1 donut on her lunch break. How many donuts are left?

Justin works at an animal shelter. They have 5 kittens. On Wednesday, someone brings them 2 more kittens. How many kittens do they have now?

Ava gets 8 cupcakes for her birthday. She gives 6 cupcakes to her friends. How many cupcakes doe she have left?

Tomas has 7 toy cars. He gets 3 more for his birthday. How many toy cars does he have now?

The pet shop has 6 puppies. On Wednesday, they got 3 more puppies. How many puppies do they have altogether?

Lewis is going trick or treating. At the first house he went to, he got 3 pieces of candy! At the second house, he got 2 pieces of candy. At the third house, he got 1 piece of candy. How many pieces of candy does he have in all?

Juliet has 8 pieces of chalk. She lost 3 pieces. How many pieces of chalk does she have left?

There are 7 kids sitting at the table. Some more kids joined them. Now there are 9 kids sitting at the table. How many kids joined them?

Julia has 8 dolls. She gave 2 dolls to her sister to play with. How may dolls does Julia have left?

Dad gets us pizza for movie night. The pizza has 8 slices. We eat 7 of them. How many slices of pizza are left?