order of operations

order of operations

Ms. Easley 7th grade review of Order of operations

order of operations

​also known as GEMDAS

Grouping Symbols – () , {},[]

Exponents -  2^3 5^1

Multiplication / Division from Left to Right

Addition / Subtraction from Left to Right

Multiple Choice

Which of the following are examples of grouping symbols

• () , {}, []

• 2^2 , 3^3 , 4^4

• $$\sqrt[2]{2\ \ \ },\ \sqrt[3]{3},\ \sqrt[4]{4}$$

• $$2\times2\ ,\ 3\times3,\ 4\times4$$

Ms.Easley

" Remember Grouping symbols are always first " 

Fill in the Blanks

Match

Match the following steps in the order of operations

• Grouping Symbols

• $$2^2,\ 4^2,\ 3^2$$

• Multiplication

• $$\frac{4}{5\ }\ ,\ 4\div5\$$

• Addition / Subtraction

(),{},[]

Exponents

3x3 , 2x2 , 4x4

Division

2-2 , 2+2

• (),{},[]

• Exponents

• 3x3 , 2x2 , 4x4

• Division

• 2-2 , 2+2

Draw

draw $$2^2$$ in expanded form

Exponents

​Remember when you see exponents

Exponents, also known as powers, are values that show how many times to multiply a base number by itself.

For example 2² = 2x2 = 4.

How would we solve the problem below ?

​Remember we must use the order of operations

2x3+6-4

Multiple Choice

2x3+6-4

• 8

• 12

• 6

• 2

Open Ended

in the following problem which operation comes first ? and list the steps of how you would solve the problem (10/5)x5-4

Multiple Choice

4/2+18

• 30

• 20

• 10

• 19

Multiple Choice

(10/2) x 8-7

• 33

• 40

• 5

• 8

Multiple Choice

(6/3) x 3+10

• 2

• 16

• 13

• 9

Multiple Choice

{ 3 +14} x 10 -1

• 170

• 169

• 171

• 17

Multiple Choice

[ 20/5] x 3

• 12

• 4

• 43

• 5

Multiple Choice

$$10\ x\ 5\ +\ 6^2$$

• 86

• 50

• 36

• 80

Multiple Choice

20+2-3

• 20

• 19

• 18

• 17

Poll

How confident do you feel about using the order of operations ? on the scale of

1-5

• 1 not confident at all

• 2

• 3

• 4

• 5 very confident

Multiple Choice

$$5\ x\ 3\ -\ 3^2$$

• 6

• 5

• 7

• 8