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Pre-Algebra Simplifying Expresssions

Pre-Algebra Simplifying Expresssions

Assessment

Presentation

Mathematics

7th - 8th Grade

Hard

CCSS
6.EE.A.3, 6.EE.B.6, 7.EE.A.1

+2

Standards-aligned

Created by

Nicole Handzel

Used 46+ times

FREE Resource

7 Slides • 7 Questions

1

Simplifying Expressions

Checking for understanding

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2

Basics

1) Apply distributive property if needed

2) Combine like terms

3

Simplify: 5(6 + b)+4b-9

Step 1: 30 +5 b + 4b -9

Step 2: 9b+21

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Fill in the Blank

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Fill in the Blank

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6

Translating from words to expression:

You spend a total of 50 minutes talking long-distance to your friend and grandparents. It costs 4 cents per minute to call your friend and 6 cents to call your grandparents. Let t be the time you talk with your friend (in minutes). Write and expression in terms of t for the cost of both phone calls.

7

0.04t+0.06(50-t)

Simplify this expression

8

Now use the simplified expression to find the cost of the phone calls if you talk with your friend for 25 minutes.

3-0.02t

9

Cost of the phone call with your friend

$2.50

10

Fill in the Blank

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Fill in the Blank

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Fill in the Blank

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13

Poll

Simplifying expressions makes me feel.....

Fantastic!

Pretty good!

A little uneasy.

You are crazy if you think I'm going to get a 100% on the quiz tomorrow.

14

Fill in the Blank

Type answer...

Simplifying Expressions

Checking for understanding

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