Add and subtract two numbers that bridge through 10
Lesson 2 / 15
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Lesson outcome
I can add and subtract using strategies to bridge 10
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Partition the addend so that you can make a number pair to 10
The remaining part can be added to 10
Partition the part being subtracted so that one of its smaller parts is equal to the ones digit.
The remaining part can be subtracted from 10
Bridging through 10 can be represented on a number line.
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