Download Name: Due Date: Pre-algebra

Name:
Due Date:
Pre-algebra
•
Chapter 2 Homework
Be sure to show all work! Use pencil and erase all errors.
PROBLEMS
1. Use < or > to make a true statement.
ANSWERS
1.
− 4[ ] − 5
For problems 2 – 8, simplify.
2.
−9
3.
− 54 + 65
4.
69 + (− 20 ) + (− 15 ) + 11
2.
3.
4.
5.
− 15 − (− 12 )
5.
6.
− 32 − 14
6.
7.
(5)(− 4 )(− 2 )(− 1)(3)
7.
8.
−
9.
10.
96
8
39 ÷ 3 + (24 − 30) − 5 2 + [− 21 − (− 13)]
On a vacation trip, Corrine leaves at 7 a.m. and travels 152
miles, then takes a 15 minute break. She then travels another 145
miles and stops for a 45 minute to eat lunch. Finally, she travels
135 miles and arrives at her destination at 2p.m. What was her
average speed?
8.
9.
10.
Name:
Date Due:
Pre-algebra
Chapter 3 Homework
Be sure to show all work! Use only pencil and erase all errors.
PROBLEMS
ANSWERS
Simplify the expression.
1.
1.
− 5(3 x − 9 ) − 13
For problems 2-5, solve the equation.
2.
2.
x − 5 = −13 + 7
3.
7a + 5 − 6a = −20 .
3.
4.
y − 9 y = −64
4.
5.
7(2 + b ) = 4b − 1
5.
1
Name:
Pre-algebra
Chapter 4Homework
Be sure to show all work! Use pencil and erase all errors.
PROBLEMS
1. For problems 1 & 2, solve the equation.
a−
2.
m−
2 1
=
3 6
3
4
=
14 14
For problems 3-5, do the operation as indicted. Simplify to lowest terms.
3.
4 b
+
15 5
4.
7
5
−
3
4x
5.
ANSWERS
1.
2 5 13
+ +
5 6 15
2.
3.
4.
5.
6.
5
1
1
÷2
2
11
6.
7.
6
2
3
−2
5
4
7.
8.
− a 2 b 10ac 2
⋅
12b
5c
8.
9.
t3
− 10t 2
÷
9v
18v
9.
10.
10.
5 1
−
6 4
−1
12 y
2
Pre-algebra
Chapter 5 Homework
Be sure to show all work! Use pencil. For problems 1-10, perform the indicated operation.
PROBLEMS
1. Write as a decimal. Round to the nearest thousandths if necessary.
ANSWERS
1.
8935
175
− 1.082 + 29.1 − 4.9
2.
Write as a fraction in lowest terms.
3.
2.
3.
0.0024
Write the word name.
4.
4.
0.2917
Approximate the square root to the nearest hundredth
5.
148
6.
(0.3a
7.
3.6 + (2.5) − 1.5(9 − 0.4)
2
) (
5.
)
+ 8.1a + 6 + 5.1a 2 − 2.9a + 4.33
6.
7.
2
8. Find the circumference of a circle with a radius of 6.3m. Use 3.14
8.
to approximate π .
For problems 9-10, solve the equation.
9.
9.
0 .8 y = 2 .4
10. 3.6n − (n − 13.2 ) = 10(0.4n + 0.62 )
10.
1