Unit 1: Expressions Review

In PEMDAS, what does the M stand for?

• Masterful

• McDonald

• Math

• Multiplication

• 93

• 150

• 25

• 125

• exponent

• division

• addition
  

• subtraction

• Sallie

• Brian

• I'm not sure

• Both

When multiplying and dividing (for example, 4 x 5 / 2), how do you know which step to do first?

• Always multiply

• Always divide

• Whichever comes first reading left to right

• Whatever I feel like doing first

Write a verbal expression for:

2a+6

• 6 more than the product of 2 and a number

• 6 less than the product of 2 and a number

• 6 more than the quotient of 2 and a number

• twice a number plus 6

g less than 59

• g - 59
• g < 59
• 59 > g
• 59 - g

Which word phrase represents the following expression r ÷ 6

• the product of r and 6
• the quotient of r and 6
• take away 6 from r

The zoo needs to hire 𝑏 staff members for each exhibit. Write the expression for the number of staff members they need to hire for 20 exhibits.

Evaluate the expression

• -19

• -1

• -31

• 3