Multiplying unit fractions and whole numbers (Full video)

Khan Academy

Supporting grades: 45

Description: Sal multiplies 1/2 x 5 using repeated addition and fraction models. Let's think about how or what 1/2 times 5 represents. So you could view this as 1/2 plus 1/2 plus 1/2 plus 1/2 plus 1/2, which is the same thing as 1 plus 1 plus 1 plus 1 plus 1, over 2, which is equal to 5/2. So let's say, that's 1 thing.

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