22 Jun 2022 22 Jun 2022 Compiled by Mr. Lafferty Maths Compiled by Mr. Lafferty Maths Dept. Dept. Fractions Fractions www.mathsrevision.com Simplifying Fractions Fractions of a quantity Finding (Simple) Percentages More Simple Percentages Reminder of Mixed Fractions Add & Subtract Fractions Multiplying Fractions General
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21-Aug-14 Compiled by Mr. Lafferty Maths Dept. Fractions Simplifying Fractions Fractions of a quantity Finding (Simple) Percentages.
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
FractionsFractionsw
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Simplifying Fractions
Fractions of a quantity
Finding (Simple) Percentages
More Simple Percentages
Reminder of Mixed Fractions
Add & Subtract Fractions
Multiplying Fractions
General
11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
1. Find the missing value
2. I f you know the length of the side of a square describe in words how to calculate the perimeter.
3. 4x + 10 = 46
3 ?=4 20
Starter Starter QuestionsQuestions
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General
11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
1.1. To know that to add and To know that to add and subtract fractions the subtract fractions the denominators must be denominators must be the same.the same.
1. To understand how toadd and subtract basic fractions.
2.2. To be able to do simple To be able to do simple fraction calculations.fraction calculations.
Add / Sub FractionsGeneral
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.ww
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Top number is called the numerator
Bottom number is called the denominator
FractionsFractions
The denominator tells us the type of fraction we have
The numerator tells us the how many we have
General
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
FractionsFractions
A fraction, like, where the numerator is bigger
than the denominator is called a ‘Top-Heavy’ fraction.
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A number like, consisting of
a ‘whole number’ part and a ‘fraction’ part is called a Mixed fraction
35
4
General
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Top Heavy to Top Heavy to MixedMixed
means seven thirds73
7 1 1 1 1 1 1 13 3 3 3 3 3 3 3
7 3 3 13 3 3 3
7 12
3 3
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
NUMERATOR DENOMINATOR
Top Heavy to Top Heavy to MixedMixed
can be written as 7 373
23 7
remainder 1
12
3
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
NUMERATOR DENOMINATOR
Top Heavy to Top Heavy to MixedMixed
can be written as 17 5175
35 17
remainder 2
23
5
General
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Changing a mixed fraction to a top-heavy.
WHOLE NUMBER DENOMINATORthen add NUMERATOR
5 4 3
7 5 2
Mixed to Top Mixed to Top HeavyHeavy
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4
27
5
234
375
23 quarters
37 fifths
General
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Top Heavy to Top Heavy to MixedMixed
Examples
1 37 7
47
General
8 79 9
19
3 15 3
7 7
48
7
3 115 4
7 7
211
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Top Heavy to Top Heavy to MixedMixed
Examples
6 37 7
97
General
9 715
11 11
1615
11
217
516
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Add / Sub Fractions
You can only add or subtract fractions if:
DENOMINATORS ARE THE SAME NUMBER
Example 1 Example 2
3 27 7
7 18 8
57
68
34
General
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Add Fractions
When dealing with mixed fractions deal with ‘whole’ part first then the fraction part
3 42 1
5 5
3 42 1
5 5
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5
24
5
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Subtract Fractions
When dealing with mixed fractions deal with ‘whole’ part first then the fraction part
5 1
7 46 6
5 1
7 4 6 6
43
6
23
3
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11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Now tryExtension BookletEx 5E (page 46)
Mixed FractionsMixed FractionsGeneral
Starter QuestionsStarter Questions
11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.ww
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2. Simplify ?
3. Write 2% as a decimal
4. List the prime numbers between 20 and 30
5. Calculate
1284
7 5+2 2
5cm
7cm
General
Starter Starter QuestionsQuestions
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(2 3 4)
4 149 9
y y x
1. Calculate
2. Expand
3. Write 72% as a decimal
4. Find the LCM of 2 and 3
5. 2.5% of £600
General
Harder FractionsHarder Fractions
11 Apr 202311 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.ww