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How to multiply a fraction by a whole number - video lesson for 4th grade

I show, using visual models, how to multiply a fraction by a whole number. It is really easy! By the time you've seen me work through several examples, you've probably figured out the shortcut for this yourself.


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In this 2nd part, we first practice using the shortcut for multiplying a fraction by a whole number. Then we triple a recipe that has various fractions in it. Mathy wants to add BLUEBERRIES to the recipe, of course!

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See also

Equivalent fractions — video lesson

Math Mammoth Grade 4 curriculum

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