## Word Problem Database

### Addition and Subtraction Word Problems - Number Facts

Pedro had some marbles.

He gave 2 away and had 9 left.

How many marbles did Pedro have at first?

A full box has 15 pieces of chalk.

My box only has 5 pieces.

How many pieces of chalk are missing?

Nicholas is 11 years old today.

How old was Nicholas 5 years ago?

8 children were playing in the park.

5 children joined them.

How many children were playing in the park then?

Rachel invited 11 friends to her birthday party.

8 friends came.

How many friends did not come?