Grade 6 | Unit 3 | Lesson 14: Solving Percentage Problems | Practice Problems

160 is what percentage of 40?

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40 is 160% of what number?

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What number is 40% of 160?

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A store is having a 20%-off sale on all merchandise. If Mai buys one item and saves $13, what was the original price of her purchase? Explain or show your reasoning.

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The original price of a scarf was $16. During a store-closing sale, a shopper saved $12 on the scarf. What percentage discount did she receive? Explain or show your reasoning.

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Select all the expressions whose value is larger than 100.

• 50% of 150

• 500% of 400

• 20% of 800

• 150% of 50

• 120% of 100

An ant travels at a constant rate of 30 cm every 2 minutes. At what pace does the ant travel per centimeter?

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An ant travels at a constant rate of 30 cm every 2 minutes. At what speed does the ant travel per minute?

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Name a unit of measurement that is about the same size as each object. The distance of a doorknob from the floor is about 1 _____________. The thickness of a fingernail is about 1 _____________. The volume of a drop of honey is about 1 _____________. The weight or mass of a pineapple is about 1 _____________. The thickness of a picture book is about 1 _____________. The weight or mass of a buffalo is about 1 _____________. The volume of a flower vase is about 1 _____________. The weight or mass of 20 staples is about 1 _____________. The volume of a melon is about 1 _____________. The length of a piece of printer paper is about 1 _____________.

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