Multiply a 2-digit number by a 1-digit number using expanded multiplication (regrouping 10s to 100s)
Lesson 6 / 10
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I can use expanded multiplication to record regrouping from the 10s to the 100s.
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If the product of the single digit and the tens number is greater than 100 then you regroup ten tens into one hundred.
If the product of the single digit and the tens number is greater than 100 the partial product will be a 3-digit number.
There are similarities between the representations of multiplication.
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