Ages 10–11🧮 MathematicsBeing planted

Multiplication as scaling

Interpret multiplication as scaling (resizing): compare the size of a product to a factor based on the size of the other factor without computing; explain the effect of multiplying by fractions greater than, equal to, or less than 1

A first look

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Question 1 of 3

A model car is built at a scale of 1/3 the size of a real car. If the real car is 12 feet long, how long is the model car?

Question 2 of 3

A rectangular garden is 5 meters long. The gardener wants to make the garden three times as long as it is now. How many meters long will the garden be?

Question 3 of 3

A baker uses 2/3 cup of sugar to make a batch of 12 muffins. She wants to make a batch of 18 muffins, keeping the recipe the same. How many cups of sugar does she need for the 18 muffins?

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.