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3.04 Subtraction strategies

Interactive practice questions

How many more do we need to subtract from $12$12 to get to $10$10?

Easy
< 1min

How many more do we need to subtract from $19$19 to get to $10$10?

Easy
< 1min

How many more do we need to subtract from $73$73 to get to $70$70?

Medium
< 1min

How many more do we need to subtract from $29$29 to get to $20$20?

Medium
< 1min
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Outcomes

3.NBT.A.2

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

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