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PEMDAS Review

PEMDAS Review

Assessment

Presentation

Mathematics

7th Grade

Easy

CCSS
5.OA.A.1, 3.OA.C.7, 7.NS.A.3

+2

Standards-aligned

Created by

Jacqui Dimalanta

Used 75+ times

FREE Resource

6 Slides • 11 Questions

1

PEMDAS Review

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2

What is PEMDAS?

  • PEMDAS is an acronym that helps us solve expressions using order of operations.

  • Order of operations tells us the steps it takes to solve an expression.

  • For example: 2 + 5 - (6+1) x 2

3

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4

Examples for solving left to right

 12÷3×412\div3\times4  

  • Solve  12÷312\div3  FIRST ; NOT  3×43\times4  

  • Wrong way:  12÷12=112\div12=1  

  • Correct way:  4×4=164\times4=16  

5

Multiple Choice

What step would I do first? (Hint: use PEMDAS)
 (4+5) 3 ×2\left(4+5\right)\ -3\ \times2  

1

 (4+5)\left(4+5\right)  Parantheses

2

 ×2\times2  Multiplication

3

  3-\ 3  Subtraction

4

None of the above

6

Fill in the Blanks

Type answer...

7

Multiple Choice

What step would I do second? (Hint: Use PEMDAS)
 93 ×29-3\ \times2  
 


1

Subtraction  939-3  

2

Multiplication  3×23\times2  

8

Fill in the Blanks

Type answer...

9

Fill in the Blanks

Type answer...

10

A look at what we just did:

  • Step 1: (4+5)3×2\left(4+5\right)-3\times2  

  • Step 2:  93×29-3\times2  

  • Step 3:  969-6  

  • Step 4:  33  

11

Poll

 6+(2×5)÷26+\left(2\times5\right)\div2  

Checkpoint: Can you solve this problem on your own using PEMDAS?

Yes, by myself

Maybe, with Ms. Jacqui and Ms. Julia's help

No, I still don't understand

12

Multiple Choice

What step would I do first? (Hint: use PEMDAS)

 6+(2×5)÷26+\left(2\times5\right)\div2  

1

Division  ÷2\div2  

2

Addition  6+6+  

3

Parentheses  (2×5)\left(2\times5\right)  

4

None of the above

13

Fill in the Blanks

Type answer...

14

Multiple Choice

What step would I do second? (Hint: use PEMDAS)

 6+10÷26+10\div2  

1

Division  10÷210\div2  

2

Addition  6+106+10  

15

Fill in the Blanks

Type answer...

16

Fill in the Blanks

Type answer...

17

Challenge Questions! Choose 1 question to work on, put the answer + spice level in the chat

  • Mild: 10(12÷4)10-\left(12\div4\right)  

  • Medium: 10(12÷4)×310-\left(12\div4\right)\times3  

  • Hot 10(12÷4)×3+2210-\left(12\div4\right)\times3+2^2  

  • Extra Spicy 102(12÷4)×3+2210-2\left(12\div4\right)\times3+2^2  

PEMDAS Review

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