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Properties Review
100
Give the correct order of operations.
Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction
100

9 - 3 x 2=12

Correct answer is 3. Multiply then -, not - then x.

100
3 + 4 x 5
23
100
14 - 2 x 7
0
100

When is your Chapter 1 Quiz?

Thursday

200

What does the P in PEMDAS stand for?

Parentheses

200

5  + 1 x (3 - 2) =16

 Correct Answer is 6.

200
7 + (2 x 4) - 1
14
200

49 ÷ (3+4) + 5

12

200

Which property is shown below?

2 + 3 = 3 + 2

Commutative of Addition

300
What is the saying we use to remember the correct Order of Operations?
Please Excuse My Dear Aunt Sally.
300

10 - 5 x 2 = 10

 Correct answer is 0.  Multiply before subtracting.

300
56 ÷ (4+4) + 32
16
300
5 + 14 ÷ 2 × 5
40
300

Which property is shown below?

(2 + 1) + 4 = (4 + 2) + 1

Associative of addition.

400

How do you know whether to multiply or divide first?

Whichever operation comes first on the left.

400

4 + 5 + 7 - 3 x 2 = 26

You need to follow PEMDAS and multiply first. Correct answer is 10.

400
20 – (5+3) x 2 + 4
8
400

(4-1) + (5+ 1)

9

400

Which property is shown below?

5 x 1 = 5

Identity of multiplication

500

The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?

I went from left to right without using the correct order of operations.

500

7 x (9 - 3) = 60

Correct answer is 42.  Solve () first, then x.

500
(5 x 4) – 6 ÷ 2 + 9
26
500

1 + 2 x 3 - 4

3

500

Which property is shown below?

8 + 0 = 8

Identity of addition