

untitled
Presentation
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Medium
Maruf Lawal
Used 1+ times
FREE Resource
18 Slides • 36 Questions
1
Operations with Fractions Review
​

2
Multiple Choice
What is a numerator?
a whole number
top number in a fraction
bottom number in the fraction
the term for a larger top number than bottom number
3
Multiple Choice
4
Multiple Choice
7
----
12
5
Multiple Choice
4
---
5
6
Adding and Subtracting Fractions
When adding fractions, we need to have the same denominator.
7
Fill in the Blanks
Type answer...
8
If the denominators are the same already...
You can just add or subtract the numerators
9
Multiple Choice
1210−125
125
2415
1215
10
Multiple Choice
84+81
75
73
85
83
11
Multiple Choice
Solve
145
73
75
145
12
Multiplying Fractions
Just multiply the numerators and then the denominators.
13
Multiple Choice
Find the product.
9/24
9/28
6/32
12/21
14
Multiple Choice
Find the product.
2/14
1/49
1
1/14
15
Dividing Fractions
Keep, Change, Flip
Keep the first fraction
Change to Multiplication
Flip the last fraction to the reciprocal
16
Multiple Choice
What is the reciprocal of 87 ?
1
1614
78
87
17
Multiple Choice
Find the reciprocal of 117
1 71
1111
711
77
18
Multiple Choice
What is the recriprocal of 4/5
4/5
5/4
5/1
1/5
19
Fraction Operations Review
By LK Stewart
20
ADDING FRACTIONS
It's not that bad. :)
21
If the denominators are the same, you're good to go.
Adding Fractions
22
Some text here about the topic of discussion.
REMEMBER TO SIMPLIFY!
23
Multiple Choice
92+95
187
97
1810
910
24
What if they have different denominators?
Find a common factor and multiply to get equal denominators.
*If you're not sure, multiply the bottom and top by the opposite denominator!
25
Multiple Choice
43+61
104
52
1211
127
26
Multiple Choice
121+65
31
125
186
1211
27
If the denominators are the same, you're good to go.
Subtracting Fractions
28
Multiple Choice
2019−2012
206
07
200
207
29
What if they have different denominators?
Find a common factor and multiply to get equal denominators.
*If you're not sure, multiply the bottom and top by the opposite denominator!
30
Multiple Choice
98−32
66
96
92
94
31
Multiple Choice
1511−52
53
109
105
31
32
INTEGER RULES: They're still a thing.
ADDITION:
Same sign: add and keep
Different signs: subtract
SUBTRACTION:
Rewrite as addition using LCO
33
Multiple Choice
Calculate −52+(−51)
−5 3
−5 1
5 1
5 3
34
Multiple Choice
Calculate 32−(−34)
−32
-2
2
3
35
Multiple Choice
Calculate −5 3+(−31)
−154
1514
−1514
−83
36
Multiply straight across and simplify.
Multiplying
Fractions
37
Multiple Choice
Calculate −5 3×(−31)
153
−153
−51
51
38
Multiple Choice
Calculate 87×1411
1611
11277
9888
179
39
Keep Change Flip
Multiply
Simplify
Dividing
Fractions
40
Multiple Choice
Calculate 43÷52
1 87
206
83
158
41
Multiple Choice
Calculate −2198
−1 97
−97
−94
−169
42
Skill Review:
Fraction Operations: multiplication and division
43
Multiple Choice
276
Simplify!
92
31
93
Already in simplest form.
71
44
Fraction multiplication is our favorite fraction operation: multiply numerators, multiply denominators
simplify if needed!
45
Multiple Choice
Evaluate 52⋅117
5521
5514
5014
5021
46
Multiple Choice
Evaluate 95⋅32
127
1815
65
2710
2410
47
Multiple Choice
Evaluate 112×3
remember: we can give any whole number a denominator of 1!
336
116
332
165
115
48
Fraction division is quite nice because we can rewrite a division statement as an equivalent multiplication statement.
: rewrite as "multiply by the reciprocal!" then continue & simplify if needed. Here is an example >
49
Multiple Choice
52÷43 =
rewrite!
52×34
52×43
25×43
50
Multiple Choice
52÷43 = 52×34= ?
86
158
25×43
1
51
Fill in the Blanks
Type answer...
52
Multiple Choice
32÷65
3012
95
1810
54
=1215= 45
53
Multiple Choice
32÷5
310
1510
152
32
54
Multiple Choice
6÷43
2418
1824
81
8
43
Operations with Fractions Review
​

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