Order of Operations

GMDAS

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​Order of Operations

Order of Operations
(GMDAS)

The 1st step is always to solve the operations inside of the grouping symbols - parentheses ( ), brackets [ ], braces { }

Next, solve any multiplication or division, whichever comes first
(always from left to right)

Then, solve any addition or subtraction, whichever comes first
(always from left to right)

Multiple Choice

What is the first step in solving the equation 2x3 - (10-4)+2

• 2x3

• 6+2

• 10-4

Multiple Select

What is the first step to simplify the equation

 [24 ÷ (5 + 3)] x 12 - 9

• add

• subtract

• multiply

• divide

Dropdown

Order of ​

Select answer

are the ​

Select answer

we

Select answer

to ​

Select answer

numerical ​

Select answer

​Example

Multiple Choice

Use the following expression to answer the question.

[12 - (15 ÷ 3)] + 8 - 5

Which operation will you do after you divide?

• add

• subtract

• mutliply

• divide

Drag and Drop

Use the following expression below to complete the statements.

9 x (8 - 7) + 18 ÷ 3​

The first operation will be ​

Placeholder

​ . The second operation will be ​

Placeholder

​​ . The third operation will be ​

Placeholder

​​​ . The last operation will be ​

Placeholder

​​ .

Drag these tiles and drop them in the correct blank above

subtraction

multiplication

division

addition

parentheses

brackets

Multiple Choice

(3 +5) x (4 – 2) + 4 =

• 16

• 20

• 34

Drag and Drop

Drag and drop the correct answers in the expression.

(4 x 9) ÷ (2 x 6) + 8

​

Placeholder

÷ (2 x 6) + 8

36 ÷ ​

Placeholder

+ 8

​

Placeholder

+ 8

​

Placeholder

Drag these tiles and drop them in the correct blank above

36

12

3

11

15

4

Multiple Choice

Brian and Sallie both solved the same problem. Who calculated the correct answer?

Sallie

$$16\div2\times8=64$$  

Brian

$$16\div2\times8=1$$  

• Sallie

• Brian

• Both

Multiple Choice

Evaluate the expression

(50 ÷ 5) x (27 ÷ 3)

• 40

• 90

• 19

• 10

Multiple Choice

[3 x (9 -6)] + (2 x 3)

• 21

• 27

• 18

• 15

Match

Match the following expressions with the correct value.

• 3

• 15

• 23

• 16

9 - (1 + 8) + 3

9 x (8 - 7) + 18 ÷ 3

3 + [(4 x 6) - 4]

[(14 - 6) - 8] + 4 × 4

• 9 - (1 + 8) + 3

• 9 x (8 - 7) + 18 ÷ 3

• 3 + [(4 x 6) - 4]

• [(14 - 6) - 8] + 4 × 4