Worksheets3.2/3.3 Adding and Subtracting Rational Numbers
Total questions: 62
Worksheet time: 3hrs 26mins
Name
Class
Date
1.
Find the sum.
2.98 + 5.3 = ____
2.98 + 5.3 = ____
a)
2.51
b)
8.28
c)
3.63
d)
2.37
2.
7.9 + 18.72
a)
2.662
b)
26.62
c)
1
d)
25.62
3.
94 - 4.8 =
a)
89.2
b)
5.4
c)
90.80
d)
98.8
4.
What is the sum of 34 and 2.5
a)
59
b)
5.9
c)
36.5
d)
31.5
5.
Rewrite the problem as addition.
-5.66 - (-4.1)
a)
5.66 + (-4.1)
b)
-5.66 + 4.1
c)
-5.66 + (-4.1)
d)
-5.66 - 4.1
6.
-23.4 - 3.4=
a)
-20
b)
26.8
c)
-26.8
d)
20
7.
-40 + 15.05=
a)
55.05
b)
24.95
c)
-24.95
d)
14.65
8.
Tell whether this sentence is always true, sometimes true, or never true. (COME UP WITH EXAMPLES BEFORE YOU PICK)
negative - positive = negative
negative - positive = negative
a)
always true
b)
sometimes true
c)
never true
9.
16 - (-9)
a)
-7
b)
11
c)
15
d)
25
10.
-2 - (-10)
a)
-12
b)
12
c)
8
d)
-8
11.
-9 + 9
a)
18
b)
-18
c)
0
d)
81
12.
The record high temperature in January was 18 degrees. The record low temperature was - 7 degrees. What is the difference between the high and low temperatures?
a)
25 degrees
b)
11 degrees
c)
6 degrees
d)
- 11 degrees
13.
-7.79 + 5.4
a)
4.61
b)
-2.19
c)
-2.39
d)
2.11
14.
-23.4 - 3.4=
a)
-20
b)
26.8
c)
-26.8
d)
20
15.
5.23 - (-9.1)
a)
-3.87
b)
3.87
c)
4.32
d)
14.33
16.
Which addition expression is equivalent to 7 - (-3)?
a)
-3 + 7
b)
-7 + 3
c)
7 + 3
d)
3 + (-7)
17.
When you add opposites, what do you get?
a)
0
b)
A negative number
c)
Attraction
d)
You cannot add opposites
18.
-7 - (-8)
a)
1
b)
-1
c)
56
d)
-56
19.
Negative + Negative = ??
a)
Positive
b)
Negative
c)
It Depends
20.
Positive + Positive = ??
a)
Positive
b)
Negative
c)
It Depends
21.
Rewrite the problem as addition.
-5.66 - (-4.1)
a)
5.66 + (-4.1)
b)
-5.66 + 4.1
c)
-5.66 + (-4.1)
d)
-5.66 - 4.1
22.
4/9 + (-2/3) =
a)
1 1/9
b)
-1 1/9
c)
2/9
d)
-2/9
23.
1/4 - (3/10) =
a)
1/20
b)
-1/20
c)
11/20
d)
-11/20
24.
-1 7/8 + (-3 1/2)
a)
5 3/8
b)
-5 3/8
c)
1 5/8
d)
-1 5/8
25.
2 6/9 + (- 5 1/4)
a)
7 11/12
b)
-7 11/12
c)
2 7/12
d)
-2 7/12
26.
- 3/4 - (-2/3)
a)
1/12
b)
-1/12
c)
-17/12
d)
_1 5/12
27.
(-⅚) - (⅗)
a)
-1 13/30
b)
1 13/30
c)
-7/30
d)
7/30
28.
3 + -7
a)
10
b)
4
c)
-10
d)
-4
29.
-9 + (-5)
a)
-14
b)
14
c)
-4
30.
-7 - 2
a)
-9
b)
9
c)
5
d)
-5
31.
The LCD for 6 and 9 is 36.
a)
True
b)
False
32.
-40 + 15.05=
a)
55.05
b)
24.95
c)
-24.95
d)
14.65
33.
16 - (-9)
a)
-7
b)
11
c)
15
d)
25
34.
-2 - (-10)
a)
-12
b)
12
c)
8
d)
-8
35.
-7.79 + 5.4
a)
4.61
b)
-2.19
c)
-2.39
d)
2.11
36.
Is the number shown Positive or Negative?
a)
Positive
b)
Negative
37.
Is the number shown Positive or Negative?
a)
Positive
b)
Negative
38.
5/7 + (-9/7)
a)
-4/7
b)
-7/4
c)
4/7
d)
-7/4
39.
-13/8 + 7/8
a)
4/3
b)
3/4
c)
-3/4
d)
-4/3
40.
2/5 + (-4/3)
a)
15/14
b)
-14/15
c)
-15/14
d)
14/15
41.
-13/7 - (-3/4)
a)
31/28
b)
28/31
c)
-31/28
d)
28/31
42.
4.3 + (-3.6)
a)
7.9
b)
0.7
c)
-0.7
d)
-7.9
43.
-2.8 + (-3.7)
a)
6.5
b)
0.9
c)
-0.9
d)
-6.5
44.
(-2 ⅚) + 3 ⅔
a)
⅚
b)
- ⅚
c)
6 ½
d)
-6 ½
45.
(-7 ⅗) - 8 ⅛
a)
- 19/40
b)
16 29/40
c)
-15 29/40
d)
other
46.
When multiplying two numbers with a different sign. What will my answer be?
a)
Positive
b)
Negative
47.
Convert to a mixed number:
a)
4 2/5
b)
3 9/5
c)
4 4/5
d)
4/5
48.
Solve the problem.
-4 - 10
-4 - 10
a)
-4
b)
4
c)
14
d)
-14
49.
numbers that are greater than zero and to the right of zero on the number line
a)
integers
b)
opposite numbers
c)
positive numbers
d)
negative numbers
50.
numbers that are less than zero and located to the left of zero on the number line
a)
positive numbers
b)
negative numbers
c)
integers
d)
signed numbers
51.
Evaluate: -19 -10
a)
9
b)
-9
c)
-29
d)
29
52.
−28+(−8)=
a)
36
b)
−36
c)
−20
d)
20
53.
¼ − (-¾)=
a)
-1/2
b)
4/0
c)
1
d)
None of the above
54.
7.19 + (-5.34)
a)
12.53
b)
-12.53
c)
1.85
d)
-1.85
55.
2/4 + -5/4
a)
-7/4
b)
3/4
c)
-3/4
d)
-7/8
56.
8/15 + (-6/15)
a)
14/15
b)
-2/15
c)
2/15
d)
-14/15
57.
3/4 + 5/8=
a)
8/12
b)
1/8
c)
11/8
d)
15/40
58.
What is the Lowest Common Multiple (LCM) for the numbers
8 and 6?
8 and 6?
a)
2
b)
3
c)
24
d)
14
59.
Find the Least Common Multiple of 9 and 6
a)
18
b)
36
c)
3
d)
5
60.
What is the LCM of 3 and 4?
a)
4
b)
16
c)
12
d)
24
61.
What is the least common multiple (LCM) of 8 and 5?
a)
50
b)
40
c)
5
d)
8
62.
What is the least common multiple (LCM) of 2 and 5?
a)
2
b)
10
c)
20
d)
7
100 %
