Inequality flip rule

Inequality flip rule

Assessment

Flashcard

Mathematics

5th - 9th Grade

Practice Problem

Hard

CCSS
6.EE.B.8, 7.EE.B.4B

Standards-aligned

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the inequality flip rule?

Back

The inequality flip rule states that when you multiply or divide both sides of an inequality by a negative number, you must flip the inequality sign.

Tags

CCSS.6.EE.B.8

2.

FLASHCARD QUESTION

Front

If -3x < 9, what is the correct solution after applying the flip rule?

Back

x > -3, because when dividing by -3, the inequality sign flips.

Tags

CCSS.6.EE.B.8

3.

FLASHCARD QUESTION

Front

Does the inequality sign flip when you add or subtract a number from both sides?

Back

No, the inequality sign does not flip when adding or subtracting.

Tags

CCSS.7.EE.B.4B

4.

FLASHCARD QUESTION

Front

What happens to the inequality sign when multiplying both sides by a negative number?

Back

The inequality sign flips.

Tags

CCSS.6.EE.B.8

5.

FLASHCARD QUESTION

Front

If 2x < 20, what is the solution for x?

Back

x < 10, because you divide both sides by 2 without flipping the sign.

Tags

CCSS.6.EE.B.8

6.

FLASHCARD QUESTION

Front

If -12y < -24, what is the solution for y?

Back

y > 2, because dividing by -12 flips the inequality sign.

Tags

CCSS.6.EE.B.8

7.

FLASHCARD QUESTION

Front

In the inequality 29 < 5 + -3k, does the inequality sign flip?

Back

Yes, when isolating k, the sign flips.

Tags

CCSS.7.EE.B.4B

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