Order of Operations and Exponents

Exponents & Order of Operations

Review for your OPEN BOOK assessment on Tuesday, Sept, 8th.

Before you start

• Have paper and pencil to work out problems

• Watch the videos BEFORE you answer the problems for each section

• The lesson is graded for correctness. Take your time.

• You can only take this lesson one time.

Let's Review Exponents

• Base is the repeated factor being multiplied

• Power is the base and exponent

• Exponent tells you how many times to multiply the base

Multiple Select

Select all the TRUE statements about exponents.

• Multiply the base and the exponent to evaluate.

• 3³ = 3 x 3 x 3 = 9

• 3³ = 3 x 3 x 3 = 27

• squared means to the second power

Multiple Select

Select the correct statements.

• 6 x 6 is the same as 6²

• 6 x 6 is the same as 6 x 2

• 6² is equal to 12

• 6² is equal to 36

Multiple Choice

The correct way to evaluate 7³ is...

• 7 + 7 + 7 = 21

• 7 x 7 x 7 = 21

• 7 x 3 = 21

• 7 x 7 x 7 = 343

Multiple Select

Select the correct representations of 2⁵

• 2 + 2 + 2 + 2 + 2

• $2\cdot5$

• 2 x 2 x 2 x 2 x 2 or

  $2\cdot2\cdot2\cdot2\cdot2$

• 10

• 32

Multiple Choice

Look at the follow problem.

55 ÷ 11 + 7 x (2 + 14)

Select the answer that shows the CORRECT order to solve this problem using order of operations

• parenthesis, division, multiplication, addition

• parenthesis, division, addition, multiplication

• parenthesis, multiplication, addition, division

• multiplication, division, addition, parenthesis

Multiple Choice

Using the order of operations, what operation do you perform first in the problem?

(5 + 16) ÷ 7 − 2

• division

• addition

• subtraction

Multiple Choice

If multiplication and division are in the same problem, what do you do first?

• Multiply

• Divide

• It depends. You do which one comes first in the problem.

Multiple Choice

If addition and subtraction are in the same problem, what do you do first?

• Add

• Subtract

• It depends. You do which one comes first in the problem.