Step 2 / 6
Add and add
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Three numbers · Numbers & Operations
Add and subtract three numbers from left to right, two at a time.
This is step 2 of unit 32, “Three numbers”, in Stage 2: Numbers to 100, carrying and borrowing (ages 7–8). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.