Step 2 / 5
Ten frames to 20
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Numbers to 20 · Numbers & Operations
Two tens make 20. Match the same number shown as fingers, rods, tally marks and words.
This is step 2 of unit 3, “Numbers to 20”, 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.