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Resizing Recipes at Cooking Club worksheet preview

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Resizing Recipes at Cooking Club

Grade 5 multiplication as scaling with cooking club recipes. Students explain why fractions above or below 1 make amounts grow or shrink.

Grade 5MathInteractive · Printable

Aligned to5.NF.B.5.b

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 12 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 5
Subject
Math
Question types
Fill in the blank, Multiple choice, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

  • Students predict whether a product is greater than, less than, or equal to a factor without multiplying.
  • Students explain why multiplying by a fraction greater than 1 gives a larger product and less than 1 a smaller one.
  • Students explain why multiplying by a fraction equal to 1, like 5/5, keeps a number the same.

How to use

Use after students can multiply a fraction by a whole number. Have them predict first and then check by multiplying, and compare their written reasons as a class.

Curriculum

Common Core standard covered

5.NF.B.5.b

Explain why multiplying by a fraction greater than 1 makes a larger product and less than 1 a smaller one.

Preview

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Name Date

Resizing Recipes at Cooking Club

Predict whether a recipe amount will grow, shrink, or stay the same.

Predict first

Do not multiply yet. Decide if each fraction is less than 1, equal to 1, or greater than 1.

1.
A cookie recipe uses 12 ounces of chocolate chips. Sort each new amount by comparing it to 12 ounces.
12 × 3/412 × 5/412 × 1 1/212 × 2/212 × 7/812 × 4/312 × 6/612 × 9/10
Less than 12Equal to 12Greater than 12
2.
Ms. Amara's muffin recipe makes 8 muffins. She makes 2/3 of the recipe. Which statement is true?
  • A. She makes more than 8 muffins, because multiplying always makes a number bigger.
  • B. She makes fewer than 8 muffins, because 2/3 is less than 1 whole recipe.
  • C. She makes exactly 8 muffins, because 2/3 is part of the same recipe.
  • D. She makes more than 8 muffins, because 3 is greater than 2.
3.
A smoothie recipe uses 24 strawberries. Circle each number that would make 24 × ___ greater than 24.

3/29/1015/41/327/711/122 1/3

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