Copyright © Swun Math Grade 6 Unit 4 Lesson 15 P HW
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Date: ______________________________
Homework
Unit 4 Lesson 15: Evaluate Expressions
Generated from Word Problems
Directions: Evaluate the expression.
1. The expression
b
+ 0.08
b
can be used to find the total cost of an item with
8% sales tax. Use the expression to find the total price of a blouse that
costs $34.
2. The expression
r • t
can be used to find the distance where
r
represents
rate and
t
represents time. Use the expression to find the distance
traveled by someone who drove at a rate of 60 miles/hour for 12 hours.
3. The expression
l • w • h
can be used to find the volume of a rectangular
prism where
l
represents length,
w
represents width, and
h
represents
height. Use the expression to find the volume of an object that has a
length of 7 yds, a width of 3 yds and a height of 2 yds.
Example: The expression
s
+ 0.05
s
can be used to find the total cost of an
item with 5% sales tax. Use the expression to find the total cost of a $68 pair
of shoes.
Steps:
1. Read the problem.
2. Use an expression to represent the situation.
3. Replace the variable with the number given.
4. Evaluate following order of operations.
s
+ 0.05
s
$68 + (0.05)$68
$68 + $3.40
$71.40