Unit 3, Lesson 14
Solving Percentage Problems
Grade 6
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For each problem, explain or show your reasoning.
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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.
120% of 100
50% of 150
150% of 50
20% of 800
200% of 30
500% of 400
1% of 1,000
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An ant travels at a constant rate of 30 inches every 2 minutes.
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Is 3.5 cups more or less than 1 liter? Explain or show your reasoning. (Note: 1 cup is approximately 236.6 milliliters.)
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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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