Math story 66 · Word problems

I'm Thinking of a Number (plus)

Watch and solve along: the video pauses when the question comes. Type your answer, then watch the solution.

Read the story

I'm thinking of a number. If I add 295, I get 823.

We work backwards: plus turns into minus.

823 minus 295 is 528. My number is 528.

Check: 528 plus 295 is 823. It works!

My number plus 148 makes 600. What is my number?

Answer and working

Correct! 600 minus 148 is 452.

600 − 148 = 452

Word problems

Your child's answers stay on this device. They are neither saved nor sent anywhere, and no sign-up is needed.

MathApex uses necessary technologies to run this website. With your permission, we also use Google Analytics to understand how the website is used.