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U1L3a - inequalities day 1

U1L3a - inequalities day 1

Assessment

Presentation

•

Mathematics

•

9th Grade

•

Medium

•
CCSS
6.EE.B.8, 7.EE.B.4A

Standards-aligned

Created by

Rachael Varland

Used 1+ times

FREE Resource

7 Slides • 6 Questions

1

U1L3a

Inequalities day 1

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2

Multiple Choice

Solve the following equation and justify your steps.

 −2(x−3)=14-2\left(x-3\right)=14  

You will enter your justifications on the next slide. (Refer to lesson 2 notes for help with justifications)

1

x = 2

2

x = -4

3

x = 4

4

x = 3

3

Open Ended

Enter your justifications here. Separate each step with a comma.

4

Steps to solving the problem

-2 (x - 3) = 14 Given

-2x + 6 = 14 Distributive property

-2x = 8 Subtraction property of equality

x = -4 Division property of equality


5

Slide image

6

7

Multiple Choice

Would  x>2x>2  have an open or shaded (closed) dot on the number line?

1

open

2

shaded

8

Multiple Choice

Would  x ≤ −5x\ ≤\ -5  have an open or shaded (closed) dot on the number line?

1

open

2

shaded

9

10

Example

Write down the inequality represented on the number line. Then, enter your answer on the next slide.

Slide image

11

Fill in the Blanks

Enter the inequality represented on the number line in the previous slide.

Type answer...

12

Open Ended

How do you feel about graphing inequalities on a number line? Is it easy? Are you still struggling? If you are still struggling, what can I do to help?

13

Homework


pattern-tertiary

U1L3a

Inequalities day 1

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