Adding and Subtracting Tens

Draw a model to show 50 + 30. Write the sum.

Draw a model to show 20 + 40. Write the sum.

Draw a model to show 80-60. Write the difference.

Draw a model to show 70-40. Write the difference.

Lucy picked 20 apples to bake an apple pie. She picked 10 more apples to eat. How many many apples did she pick?

Evaluate responses using AI:

OFF

Dave had 60 toys cars. His friend Sam had 40 toy cars. How many more toy cars did Dave have then Sam?

Evaluate responses using AI:

OFF

Tyler collected 80 seashells. He grouped them by big and small. 40 seashells were big. How many seashells were small?

Evaluate responses using AI:

OFF