How many more to make it?

Count on to join · Numbers & Operations

To join two groups, start at one number and count on: from 10, or from 8.

This is step 3 of unit 13, “Count on to join”, in Stage 1: Numbers to 20, adding and subtracting (ages 6–7). A round has 8 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.