Tuesday, August 16th • Happy Monday! • Complete Warm Up• Write down Homework

Warm Up What Operation Should you do first?

1. (3-4) + 6 •6 2. 3 • 5 ÷ 3

When’s the Test?!?!?!

Remember your goals

Corny Joke of the Day

What did the Atlantic Ocean say

to the pacific ocean?

Nothing they just waved

“TO THE COMPUTER & BEYOND”

What questions

do you have?!?!?!

Finish Quiz

• Answer Sheet on top• Silent read until everyone

is finished• Keep folders up please

A little Mathematical Rap….

http://teachertube.com/viewVideo.php?title=PEMDAS_Rap&video_id=79967

  

Table of Contents

Date: 8/16

Section: 1-4

Title: Order of Operations

Pages: 8-10

I. The Rules“Please Excuse My Dear Aunt

Sally”

P: Parentheses, Brackets, Braces, square Roots, and Absolute Value

E: ExponentsM/D: Multiplication/DivisionA/S: Addition/Subtraction

Example 1 Example 2-4+5-6+3

Do I subtract first?Do I add first?Why?*Addition and

Subtraction are equal- they follow left to right

12 ÷ 3 x 5Do I divide first?Do I multiply first?Why?*Multiplication and

Division are equal-they follow left to right

II. The Equal ones

III. Let’s Try it Together!

Write and solve

1. 5(1-2) – (3-2)

2. -9 – (-18) + 6

Hint: Rewrite after each step!

(5-2) + 3 • 7 - 8

Hint #2: Write PEMDAS at the top

(3-4) -4 • 6

You Try!

1. 8 + 7 • 6

2. 50 – 10 • 3 + 2

3. 4 - 1 + (6+3)

IV. Challenge problems

Work from the

Inside Out!

Hot to cold

Example 1WATCH FIRST

5 3 10 2 2

You Try!

BEEEEEE Careful 20 4 10 8

Classwork: Picasso meets Einstein

PEMDAS foldable1. Grab a piece of

construction paper

2. Fold not quite in half

3. cut in four equal parts

4. Label side: Order of Operations

The Tabs1. Label P Please

parentheses

2. Label E Excuse exponents

3. Label MD My Dear multiply/Divide

4. Label AS Aunt Sally Add/Subtract

P parantheses

2 • (4 + 5)

3 • 9

=18

E exponents

3 + (2-1)

9 + 1

=10

MD multiply/Divide

12 ÷ 2 • 4

13 • 4

= 24

AS Addition/Subtraction

12 • 2 - (3-2) + 3

12 • 4 - 1 + 3

48 - 1 + 3

47 + 3

=50