Unit 1 Review

Pick the correct sequence of steps for Order of Operations:

• Grouping, Multiplication/Division, Exponents, Addition/Subtraction

• Multiplication/Division, Addition/Subtraction, Exponents, Grouping

• Grouping, Exponents, Multiplication/Division, Addition/Subtraction

• Grouping, Exponents, Addition/Subtraction, Multiplication/Division

Find and explain the error.

5 - 3 + 2

5 - 5

0

• There is no error.

• Addition was done first and you should have subtracted first

• They added wrong numbers

• Multiplied worng

• 30

• 43

• 29

• 42

• 7

• 0

• 1

• 16

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

• 7

• 12

The quotient of n and 2

• n/2

• n x 2

• n + 2

• n - 2

product of 35 and z

• 35z

• 35/z

• 35-z

• 35+z

a + 4

• product of a and 4

• difference of a and 4

• sum of a and 4

• quotient of a and 4