Order of Operations (Without Exponents)

In PMDAS what does the M stand for?

• Many

• Math

• Multiply

• Master

What would my first step be? 3 + 4 x 6 - 4

• Brackets

• Multiplication

• Addition

• Subtraction

Find and explain the error:

5 - 3 + 2

5 - 5

0

• There is no error.

• They subtracted wrong.

• They added first and they should have subtracted.

• They subtracted first and they should have added.

Which step should come first in this expression?

6 x 7 + (9 - 3) + 2

• 6 x 7

• 9 - 3

• 7 + 9

• 3 + 2

Solve:

18 + (6 - 2) x 2

• 26

• 44

• 40

• 0

Solve:

(10 + 2) x 10 - 3

• 47

• 117

• 52

• 84

PEMDAS only works if you:

• Always add first

• add or subtract right to left

• Always subtract then add

• add or subtract left to right

Find the error:

10 + 6 + (2 x 3) x 8

10 + 6 + 6 x 8

16 + 6 x 8

22 x 8

176

• There is no error.

• My second step should have been to multiply 6 x 8

• My third step should have been to multiply 6 x 8

• My first step should have been to add 10 + 6

Solve:

2 + 3 x 4 - (6 +1)

• 7

• 13

• 2

• The answer is not here.

When Grant was 8, his brother was half his age. Now, Grant is 14. How old is his brother?

• 10

• 7

• 4

• 12