Order of Operations/Inverse Operations

Which Operations?

100

Which operation should be used to solve 5 less than 15?

subtraction

200

I see multiplication, so I do its inverse which is ___________.

division

300

I see multiplication and subtraction, so I do the following for inverse operations __________ and ___________.

division and addition

400

I see division and addition, so I do the following for inverse operations ___________ and ____________.

multiplication and subtraction

500

I see addition, multiplication, and subtraction, so I do the following for inverse operations ___________, _________ and ________.

subtraction, division, and addition

PEMDAS

100

The order of operations to solve 3 x 5 + 9

multiplication, then addition

24

200

The order of operations to solve 21 ÷ 3 - 5

division, then subtraction

2

300

The order of operations to solve 25 - 6 x 3

multiplication, then subtraction

7

400

The order of operations to solve 3 + 4 ÷ 2

division, then addition

5

500

The order of operations to solve 15 + 3 x 6 - 21

multiplication, then addition, then subtraction

12

Answer THIS

100

5² =

25

200

15¹ = 

15

300

200⁰ =

1

400

4³=

64

500

What would be the base and what would be the exponent when we multiply 7 x 7 x 7 x 7?

base 7^4-exponent

Inverse PEMDAS

100

What steps would you follow for the inverse order of operations in order to solve: 3 x 2 + 9 = 15

subtraction, then division

200

What steps would you follow for the inverse order of operations in order to solve: 26 ÷ 2 - 8 = 5

addition, then multiplication

300

What steps would you follow for the inverse order of operations in order to solve: 4 x 5 - 9 = 11

addition, then division

400

What steps would you follow for the inverse order of operations in order to solve:20÷2+6 = 16

subtraction, then multiplication

500

What steps would you follow for the inverse order of operations in order to solve: 15 = 7+3x4-6

addition, then subtraction, then division

RIDDLES

100

What has to be broken before you can use it?

Answer: An egg

200

What month of the year has 28 days?

Answer: All of them

300

I have a pound of feathers and a pound of iron? Can you please tell me which one weighs more?

NONE!

400

• If you multiply me by any other number, the answer will always remain the same. Who am I?

ONE!

500

He is an odd number, but if you take away an alphabet from him, he becomes Even. Who is he?

Seven

When letter ‘s’ is taken out, it becomes ‘even’.