Multiply a 3-digit by a 1-digit number with one or two regroups
Lesson 5 / 5
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Lesson outcome
I can multiply a 3-digit by a 1-digit number using expanded and short multiplication (one or two regroups).
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If the product of the ones digits is greater than 10 then you regroup ten ones into one ten.
If the product of the 1-digit number and the tens digit is greater than 100 then you regroup ten 10s into one 100
If the product of the 1-digit number and the 100s digit is greater than 1,000 then you regroup ten 100s into one 1,000
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