Inequality FLIP or Keep Lesson

Inequality FLIP or Keep Lesson

by JENNIFER FRANKLIN

​Number line Reminder

On the horizontal number line

increase as you move right.

• ​Values increase as you move right

• ​Values decrease as you move left.

Multiple Choice

Which comparison is true?

• − 425 > − 45

• − 32 > 8

• − 6,231 > − 7,850

• 62 < − 75

Multiple Choice

Which comparison is true?

• -6 > 7

• 1 > 2

• -4 > -5

• -3 > -2

Multiple Choice

Which symbols represent values greater than -2?

• Star and Triangle

• Circle, Square, and Hexagon

• Hexagon only

• Not here

Multiple Choice

A number GREATER than 0.

• positive number
• negative number
• integer
• signed number

Multiple Choice

5 units to the right of -6:

• -1

• -11

• 1

• 0

Multiple Choice

List the integers graphed on the number line from least to greatest.

• -4, 0, 2, 5
• -5, -4, -3, -2, -1
• -5, -3, 0, 3, 5
• 5, 2, 0, -4

Multiple Choice

-100 ? -2

• is less than

• is greater than

• ​

Multiple Choice

Does the inequality sign flip?

-12y < -24

• Flip

• No Flip

Multiple Choice

Does the inequality sign flip?

3a < -45

• Flip

• No Flip

Multiple Choice

Does the inequality sign flip?

-5x + 12 > 35

• Flip

• No Flip

Multiple Choice

Does the inequality sign flip?

3x - 7 < -22

• Flip

• No Flip

Multiple Choice

Should the symbol flip or not when solving? $$6x\ge-36$$  

• Flip

• No Flip

Multiple Choice

Should the symbol flip or not when solving? $$\frac{x}{-8}\ge16$$  

• Flip

• No Flip

Multiple Choice

Should the symbol flip or not when solving? $$-7p\ge21$$  

• Flip

• No Flip

Multiple Choice

Would you flip the inequality sign when you divide by a positive?

• Flip

• No Flip

Multiple Choice

Would you flip the inequality sign when you divide by a negative?

• Flip

• No Flip

Multiple Choice

Does the inequality sign flip?

5x < -25

• Flip

• No Flip

Multiple Choice

Should the inequality sign flip when solving?

-3x > 9

• Flip

• No Flip

Multiple Choice

When you solve, should the inequality sign flip?

-5 + 2x > 8

• Flip

• No Flip

Multiple Choice

Sally solved -3x<9. Her answer was x<-3. Is she right?

• No she did not flip the inequality, her answer should be x>-3

• Yes, Sally is always right.

• No, Sally should have multiplied x<-27

• No, Sally should have subtracted x > -3