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Adding and Subtracting Rational Numbers Flashcards | StudBud

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Adding and Subtracting Rational Numbers

18 terms·StudBud Administration·9,905 plays

Adding and subtracting positive and negative decimals, fractions, and integers.

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Questions 18

Answers

1
-3/5 + (-1/25)
-14/25
-4/30
14/25
-16/25
2
36 - (-12)
24
-24
48
-48
3
Subtract
-1 and 5/8
-1 and 1/2
1 and 5/8
7/8
4
Subtract.
-2 and 1/6
-5 and 1/6
2 and 3/3
2 and 1/6
5
-15.2 - 3.8
-11.4
19
11.4
-19
6
-8 - (-15) - 7
-30
-14
0
-16
7
-8 + (-2) - 5
-5
-11
-1
-15
8
-3.12 + 7.5
-10.62
-4.38
4.38
10.62
9
-0.325 + (-0.099)
0.253
-0.253
0.424
-0.424
10
What rule is only used for subtracting?
SSS
LOL
KCC
DSD
11
-1/2 - 3/4
-1 and 1/4
1/4
1 and 1/4
-1/4
12
-53 + 17
36
-70
70
-36
13
-8 + -25
33
17
-17
-33
14
3/4 + (-7/8)
4/4
-10/12
-1/8
1 and 5/8
15
When adding decimals, you need to...
whistle
borrow
line up the decimal points
get common denominators
16
-8 + 14 + (-7)
-29
-13
-1
-15
17
-2.07- (-8.6)
6.53
10.67
-6.53
-10.67
18
-15 - (-3)
18
-18
-12
12