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Lesson 11 · Workbook p. 98

Converting Measurements

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A lemonade recipe needs 3 quarts of water. Your only measuring cup holds 1 cup. Each quart fills 4 cups. How many cups of water do you need?

In this video

  • Build a ratio table to convert units.
  • Use a double number line for measurements.
  • Convert with a unit rate, the way it's done in class.

Try it together

5 feet = ? inches. 18 cups = ? quarts.
Show the answer
60 inches; 4 1/2 quarts
1 foot is 12 inches, so 5 × 12 = 60. 1 quart is 4 cups, so 18 ÷ 4 = 4 1/2 quarts.

Ask, don't tell

“How many cups fit in one quart?”

“Will we need more cups or fewer cups than quarts? Why?”

The workbook these videos go with

Math for Parents – 6th Grade, Book 2: Ratios & Percents. Picture-first lessons on ratios, rates, unit prices, and percents, with “Ask, don't tell” prompts on every page, worked examples, real-world missions, and answer keys with coaching notes, so you can help even if it's been years since you learned it.

On Amazon Sunday, November 15