Name: Date:

Solving “Change Unknown” Word Problems

Use the virtual two-color counters to solve each problem.

Ms. Nachman has 6 erasers in the morning.

Bill gave her some more erasers in the afternoon.

At the end of the day, Ms. Nachman had 10 erasers.

How many erasers did Bill give her?

Tyler had 8 crayons.

Ms. Nachman let him take some more crayons.

Now, Tyler has 13 crayons.

How many crayons did Tyler take?

1