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100

Give the correct order of operations.

Grouping Symbols, Exponents, Multiplication OR Division, Addition OR Subtraction

100

9 - 3 x 2=12

Correct answer is 3. Multiply then subtract, not subtraction then multiplication.

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

What is the value of the 9 in 159,457

9,000

200

Why is it important to know GEMDAS as a mathematician?

So everyone can solve every problem the same (correct) way.

200
5 2 + 1=11
5 2 = 25, not 10. Correct Answer is 26.
200
7 + (2 x 4) - 1
14
200
49 ÷ (3+4) + 52
32
200

Which two decimal operations require us to line up the decimals?

Addition and Subtraction

300

What are included in Grouping symbols?

Name at least 2.

Parentheses, fraction bar, brackets, and braces

300
32 - 6 = 0
3 2 = 9, not 6. Correct answer is 3
300
56 ÷ (4+4) + 32
16
300
5 + 14 ÷ 2 × 5
40
300

What number is XVII?

17

400

Tell what 5 3 really means. (Expanded form)

It means 5 x 5 x 5

400

4 + 5 + 7 - 3 x 2 = 26

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

400
20 – (5+3) x 2 + 4
8
400
(4-1)2 + (5+ 1)2
45
400

3.14 x 1.8 =

5.652
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
10 3 = 30
10 3 = 10 x 10 x10, which is 1000, not 30.
500

(5 x 4) – 6 ÷ 2 + 9

26

500
12 + 22 x 32 - 42
21
500

6.85 divided by 0.5 =

13.7

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