Order of Operations

Fix My Mistake

100

9 - 3 x 2 = 12

9 -3 x 2 = 3

200

10÷5 x 2 = 1

10÷5 x 2 = 4 

300

5 x 5 +1 = 30

5 x 5 + 1= 26

400

4 + 5 + 7 - 3 x 2 = 26

4 + 5 + 7 - 3 x 2 = 10

500

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

I did not multiply first. The answer should be 13.

Word Stuff

100

Give the correct order of operations.

G - grouping

E- Exponents

M - multiply or divide, left to right

S - add or subtract, left to right

200

If you have multiplication and division, which comes first?

Whatever comes first moving, LEFT to RIGHT

300

What is this called?

4 x (3 + 5)

Hint**no equal sign 

(numerical) expression

400

If I have addition and subtraction in my expression, I should move from ______ ___ _______.

left to right

500

Why is it important to know GEMS as a mathematician?

So that everyone is solving the problem in the same way

Solve 1

100

3 + 6 x 4

27

200

25 ÷ 5 -2

3

300

12 - 8 ÷ 2 + 3

11

400

20 ÷ (8-3) + 16 

20

500

7 + 3 x (8 ÷ 4)

13

Solve 2

100

(14 + 6) x (12 -4) -9

151

200

(15 - 5) x 10  + 3

103

300

6 x 8 + ( 7 - 6 )

49

400

( 10 + 19 -5 ) x 2

48

500

2 x ( 9 x 9 + 2) - 8

158

Mixed Review

100

the sum of 9 and 3 divided 3

( 9  + 3) ÷ 3

200

On a coordinate grid, when I move vertical on the grid, I am moving along the ___ axis. 

y- axis

300

8  x 6 -2

46

400

(3-1) + 9 x 8

78

500

2³ x 2

16