# Glencoe Pre ```Find the value of the expression 1.8 + 0.6.
A. 2.6
B. 2.4
C. 2.2
D. 1.4
Find the value of the expression 72 &divide; 4.
A. 16
B. 17
C. 18
D. 19
A.
B.
C.
D.
A
B
C
D
operations. (Previous Course)
• Translate verbal phrases into numerical
expressions.
• Use the order of operations to evaluate
expressions.
• numerical expression
• a mathematical statement that has
numbers and mathematical symbols
without an equal sign
Translate Phrases into Expressions
A. Write a numerical expression for the verbal phrase
eighteen marbles divided equally among six friends.
Phrase
the quotient of 18 and 6
Expression
18 &divide; 6
Translate Phrases into Expressions
B. Write a numerical expression for the verbal
phrase the total number of photos if there are nine
photos in the camera plus four more.
Phrase
the sum of 9 and 4
Expression
9+4
A. Write a numerical expression for the verbal
phrase twenty dollars divided equally among five
brothers.
A. 5 &divide; 20
B. 20 &divide; 5
0%
B
A
0%
A
B
C
0%
D
D
D. 20 &divide; 4
C
C. 4 &divide; 20
A.
B.
C.
0%
D.
B. Write a numerical expression for the verbal
phrase the total number of DVDs if Sue has eight
and gets five more.
A. 8 + 5
B. 8 + 13
0%
B
A
0%
A
B
C
0%
D
D
D. 13 – 5
C
C. 5 + 13
A.
B.
C.
0%
D.
Another way to remember this is PEMDAS!!!
Evaluate Expressions
A. Evaluate the expression 17 + 36 &divide; 9.
17 + 36 &divide; 9 =
17 + 4
We Divided 36 and 9
21
Evaluate Expressions
B. Evaluate the expression 24 &divide; 8 • 3.
24 &divide; 8 • 3 =
3•3
We divided 24 and 8
9
We multiplied 3 and 3
Evaluate Expressions
C. Evaluate the expression 5(4 + 6) – 7 ● 7.
5(4 + 6) – 7 • 7
5(10) – 7 • 7
50 – 7 • 7
We multiplied 5 and 10
50 – 49
We multiplied 7 and 7
1
Evaluate Expressions
D. Evaluate the expression 3[(18 – 6) + 2(4)].
3[(18 – 6) + 2(4)]
3[12 + 2(4)]
We subtracted 18 – 6
3[12 + 8]
We multiplied 2 and 4
3
60
We multiplied 3 and 20
Evaluate Expressions
E. Evaluate the expression
Treat the top and the bottom like parenthesis
We subtracted 19 and 14
We divided 80 and 5
B. Evaluate the expression 63 &divide; 7 + 2.
A. 7
B. 10
C. 8
D. 11
A.
B.
C.
D.
A
B
C
D
C. Evaluate the expression 3(12 – 10) + 14 &divide; 2.
A. 13
B. 20
C. 33
D. 10
A.
B.
C.
D.
A
B
C
D
D. Evaluate the expression 4[(3 + 8) – 2(4)].
A. 16
B. 12
C. 144
D. 36
A.
B.
C.
D.
A
B
C
D
E. Evaluate the expression
A.
B.
C.
D.
A.
B.
C.
D.
A
B
C
D
Write Expressions to Solve
Problems
EARNINGS Madison earns an allowance of \$5 per
week. She also earns \$8 per hour babysitting, and
usually babysits 6 hours each week. Write and
evaluate an expression for the total amount of
money she earns in one week. Then make a table
showing what she will earn if she babysits 7, 8, and
9 hours a week.
Understand
You know how much Madison earns
for her allowance. You need to find
how much she earns for babysitting
if she babysits for 6, 7, 8, and 9 hours
a week.
Write Expressions to Solve
Problems
Plan
Write an expression to find the amount
she earns from babysitting for each
number of hours. Organize the results
in a table.
Solve
First write an expression for babysitting
6 hours.
Write Expressions to Solve
Problems
5 + 8 &times; 6 = 5 + 48
= 53
Multiply.
babysits for 6 hours.
Make a table for 7, 8, and 9 hours.
Write Expressions to Solve
Problems
Check
Look at the pattern in the earnings.
As the number of hours increase
by 1, the earnings increase by \$8. 
SHOPPING The Good Price Grocery Store
advertises a special on 2-liter bottles of soft drinks.
The first bottle purchased is \$1.50 and each bottle
after that is \$1.20. Write and evaluate an expression
for the total cost when 8 bottles are purchased.
A. 1.50 + 8(1.20) = \$11.10
B. 1.50 + 7(1.20) = \$9.90
C. 2 + 1.50 + 1.20 + 8 = \$12.70
D. 1.20 + 7(1.50) = \$11.70
A.
B.
C.
D.
A
B
C
D
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