Count by number exercise: Basic Math App

In this exercise, you need to select the numbers that are counted by 9.

▶ Look at the numbers from 1 to 100.

▶ Find the numbers that are multiples of 9.

▶ Click on the numbers you think are right.

▶ If you're correct, the number will turn green; if not, it will turn red.

▶ If you want to play again, press the New Question button.

Give it a try, and have fun selecting the right numbers!