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Carlos wants to subtract 34 from 90. He subtracts using base-ten blocks

shown below. What is his mistake

Carlos wants to subtract 34 from 90. He subtracts using base-ten blocks shown below-example-1
User Metaphyze
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1 Answer

6 votes

Answer:

C

Explanation:

The indivisual blocks aren't in tens that he had subtracted

User Register
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