# Using derived facts to multiply mentally

Today we will use our knowledge of multiplying and dividing by 10, 100 and 1000 to derive facts from known facts. We will then use the distributive law and derived facts to multiply by choosing the most efficient and effective representations.

# Video

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# Worksheet

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# Lesson summary: Using derived facts to multiply mentally

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The next lesson in Multiplication and division is "Calculating flexibly"