
Adding and Subtracting Fractions
Presentation
•
Mathematics
•
6th - 8th Grade
•
Medium
+5
Standards-aligned
Lance Knudson
Used 344+ times
FREE Resource
5 Slides • 15 Questions
1
Adding and Subtracting Fractions
I can add and subtract fractions with like denominators.
I can add and subtracting positive fractions with unlike-denominators.
I can add and subtract positive and negative fractions.
2
Fraction Vocabulary
Fractions - real numbers that represent a part of a whole.
Numerator - the "part" of the fraction (on top)
Denominator - the "whole" of the fraction (on bottom)
Proper fraction - the numerator is smaller than the denominator
Improper fraction - the numerator if bigger than or equal to the denominator
Mixed number - there is a whole number and a fraction
Simplifying - the process of dividing the numerator and denominator by the greatest common factor
3
Multiple Choice
Vocabulary Review
The "part" of the fraction is the __________.
(hint: it is on top)
Fraction Bar
Numerator
Denominator
Simplifying
4
Multiple Choice
Vocabulary Review
The "whole" of the fraction is the __________.
(hint: it is on bottom)
Fraction Bar
Numerator
Denominator
Simplifying
5
Multiple Choice
Vocabulary Review
The type of fraction with both a whole number and a fraction is a...
Proper
Improper
Mixed Number
6
Multiple Choice
Vocabulary Review
The type of fraction with a numerator smaller than the denominator is...
Proper
Improper
Mixed Number
7
Multiple Choice
Vocabulary Review
The type of fraction with a numerator bigger than the denominator is...
Proper
Improper
Mixed Number
8
9
Multiple Choice
I can add and subtract fractions with like denominators.
101+102=
51
103
52
204
10
Multiple Choice
I can add and subtract fractions with like denominators.
83+81=
41
21
85
164
11
Multiple Choice
I can add and subtract fractions with like denominators.
87−82=
85
05
0
21
12
Multiple Choice
I can add and subtract fractions with like denominators.
43−41=
02
0
52
21
13
14
Multiple Choice
I can add and subtracting positive fractions with unlike-denominators.
41+21=
43
62
41
31
15
Multiple Choice
I can add and subtracting positive fractions with unlike-denominators.
83+31=
114
31
2417
83
16
Multiple Choice
I can add and subtracting positive fractions with unlike-denominators.
54−31=
23
157
85
83
17
18
Multiple Choice
I can add and subtract positive and negative fractions.
−83+21=
81
−62
−31
−81
19
Multiple Choice
I can add and subtract positive and negative fractions.
51+(−21)=
31
−103
−31
72
20
Multiple Choice
I can add and subtract positive and negative fractions.
−72+(−31)=
−41
−103
41
−2113
Adding and Subtracting Fractions
I can add and subtract fractions with like denominators.
I can add and subtracting positive fractions with unlike-denominators.
I can add and subtract positive and negative fractions.
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