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grade 2 · WN-021

Decompose a ten

Trade one ten for 10 ones when the top ones are too small.

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Try with a hintFresh problem · seed 163114194

Subtract 60 − 39.

tensones

60

−39

Start with the ones. Trade one ten for 10 ones if needed.

Give me one hint

The top ones are too small, so decompose one ten.

Your answer

It is always okay to go back to more help.

Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.