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WorksheetsAdding and Subtracting Rational Decimals
Total questions: 20
Worksheet time: 3600secs
Name
Class
Date
1.
When adding decimals with the same sign you.....
a)
subtract and take the sign of the larger number
b)
add the opposite
c)
add and keep the sign
d)
subtract and keep the sign
2.
When adding decimals with different signs you....
a)
subtract and take the sign of the larger number
b)
add the opposite
c)
add and keep the sign
d)
subtract and keep the sign
3.
-23.4 - 3.4=
a)
-20
b)
26.8
c)
-26.8
d)
20
4.
-6.5 + (-0.5)
a)
-7
b)
7
c)
6
d)
-6
5.
34.5 + (-7)
a)
-41.5
b)
41.5
c)
-27.5
d)
27.5
6.
-7.8 + (-0.8)
a)
8.6
b)
-8.6
c)
7
d)
-7
7.
-40 + 15.05=
a)
55.05
b)
24.95
c)
-24.95
d)
14.65
8.
-6.25 + 7
a)
-0.75
b)
0.75
c)
13.25
d)
-13.25
9.
-3.133 + -0.24
a)
3.373
b)
2.893
c)
-3.373
d)
-2.893
10.
-3.133 + -0.24
a)
3.373
b)
2.893
c)
-3.373
d)
-2.893
11.
A rock climber that is 0.74 miles above sea level ascends 0.18 miles and then descends 0.8 miles. Which represents the location of the rock climber compared to sea level?
a)
.12
b)
1.72
c)
1.36
d)
-.24
12.
What is the value of -4.5 - 6 ?
a)
10.5
b)
-10.5
c)
-3.9
d)
3.9
13.
What is the value of 18 - 23.2 ?
a)
-5.2
b)
-5.8
c)
5.2
d)
5.8
14.
The temperature in a town is 34.1°F during the day and −8.6°F at night. Find the difference in the temperatures.
a)
42.7
b)
25.5
c)
42.7°F
d)
25.5°F
15.
What is the value of the expression
-7 + 3.43 - 8.2 ?
-7 + 3.43 - 8.2 ?
a)
-4.7
b)
-11.77
c)
11.77
d)
4.7
16.
Beth worked 33.25 hours last week and 23.75 this week. How many total hours did she work?
a)
40 hrs
b)
57 hrs
c)
52 hrs
d)
50 hrs
17.
-51 + 81.623
a)
30.623
b)
-30.623
c)
132.623
d)
-132.623
18.
What is the value of the expression -3.2 + 5 - 8?
a)
-6.2
b)
6.2
c)
1
d)
-1
19.
Jack's gas credit card bill was $80.97 for June, $41.35 for July, and $65.08 for August. What was his total charges for the summer?
(a)
20.
Nash earns $12 per week, after 3 weeks he spends $12.48. How much does Nash have left?
a)
$35.00
b)
$28.33
c)
$23.52
d)
$24.52
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