True or false?

Addition round-up · Numbers & Operations

Finish addition with true-or-false, the biggest sum and equal sums.

This is step 1 of unit 23, “Addition round-up”, 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.