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Ten plus (equation)
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Ten plus a number · Numbers & Operations
10 + 2 = 12. Ten plus some ones makes a teen number.
This is step 2 of unit 18, “Ten plus a number”, 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.