S3.1-S3.5 Review

You can buy candy bars for $7.00 each, and pay $1.50 in tax. Write a variable expression for the total cost.

Which do you do first in the order of operations?

Simplify the expression: 3(x-5)

Name the property: a + b = b + a

Write the following phrase as a mathematical expression: 4 less than a number

A bus charges $10 for getting on the bus plus $3 for each mile. Write a variable expression for the cost of the bus ride

True or False: You always do multiplication before division in the order of operations.

Name the property: p + 0 = p

Write the following phrase as a mathematical expression: the sum of a number and 5

Name the property: (xy)z=x(yz)

Name the property: 1(a)=a

True or False: You always do addition before subtraction in the order of operations.