Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 13

For each inequality, find two values for x that make the inequality true and two values that make it false.x + 3 > 70

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For each inequality, find two values for x that make the inequality true and two values that make it false.x + 3 < 70

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For each inequality, find two values for x that make the inequality true and two values that make it false.-5x < 2

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For each inequality, find two values for x that make the inequality true and two values that make it false.5x < 2

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Here is an inequality: -x > 18.List some values for x that would make this inequality true.

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Here is an inequality: -x > 18.How are the solutions to the inequality -3x\geq 18 different from the solutions to -3x > 18? Explain your reasoning.

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Here are the prices for cheese pizza at a certain pizzeria: You had a coupon that made the price of a large pizza $13.00. For what percent off was the coupon?

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Here are the prices for cheese pizza at a certain pizzeria: Your friend purchased a medium pizza for $10.31 with a 30% off coupon. What is the price of a medium pizza without a coupon?(round to the nearest cent)

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Here are the prices for cheese pizza at a certain pizzeria: Your friend has a 15% off coupon and $10. What is the largest pizza that your friend can afford, and how much money will be left over after the purchase?(round to the nearest cent)

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Select all the stories that can be represented by the diagram.

• Andre studies 7 hours this week for end-of-year exams. He spends 1 hour on English and an equal number of hours each on math, science, and history.
• Lin spends $3 on 7 markers and a $1 pen.
• Diego spends $1 on 7 stickers and 3 marbles.
• Noah shares 7 grapes with 3 friends. He eats 1 and gives each friend the same number of grapes.
• Elena spends $7 on 3 notebooks and a $1 pen.