Step 1 / 3
Ten plus (pictures)
★★★12 is the same as 10 + 2.
Addition Village · Learn first
Example
10 cookies and 3 more. How many in all?
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Answer: 13
Ten plus a number · Numbers & Operations
10 + 2 = 12. Ten plus some ones makes a teen number.
12 is the same as 10 + 2.
This is step 1 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.