Fractions, Decimals and Percentages · Chapter 5

Fraction Divider: How Many Fit?

Dividing asks how many of one thing fit into another. Flipping works because the flip of a fraction is how many of it fit into one whole.

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Opens on Chapter 5’s example: shelves 3/4 of a foot long cut from a 5-foot board.

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From the book, Chapter 5. 5 ÷ 3/4 = 6 2/3: six whole shelves, and the 2/3 is two-thirds of a shelf, which is 1/2 foot of wood. 3 ÷ 1/4 = 12; 3/4 ÷ 1/8 = 6; 2 ÷ 2/3 = 3; 10 ÷ 1 1/4 = 8 shelves; 15 miles in 3/4 hour is 20 mph; 4 1/2 cups make 9 half-cup servings.

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