Work sheet for converting units and amounts of fractions and bidmas
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Grado
Maths
Institución
GCSE
Book
A Mind for Numbers
Contains answers to help the students to resolve answers quickly but not all answers are present do they are not all dependent on the answer but I can provide answers in another document for free if requested.
Exam (elaborations) Taller de álgebra A Mind for Numbers, ISBN: 9780399165245
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GCSE
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Maths
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Maths Questions with answers at the end and how to work them out!
Fractions of an Amount
Let’s do the first one together!
4/7 means 4 divided by 7. to work this out we will do 21 divided by 7 which is 3. A then times that by
the top number which is 4. so, 3 times by 4 is 12. This means 4/7 of 21 is 12.
Repeat the same steps with the following questions to find the answer.
Divide the number you are trying to find.
When you found that number you times it by the bottom number.
1. 4/7 of 21
2. ¼ of 80
3. 4/7 of 63
2/5 of x is 30
To work out this answer it means that is 5 times 15 in each box. And so 2 boxes are 30. So we divide
30 by 2 and get 15 as its half of 30. And times 15 by 5 which is 75.
15 15 15 15 15
Extension task:
A school has 1200 pupils and 575 of them is girls.
2/5 likes sport
3/5 of the boys like sport
Work out how many pupils like sport.
Q1
Karen made 40 cakes.
She give 1/5 to Monica
And she also gives 10% of 40 to Jennie
What fraction of the 40 cakes does she have left?
Q2
Peter and Alice are each paid the same for each hour they work. Peter was paid £240 and he works
the 4/5 the times Alice works. How much is Alice paid?
Q3
Katy organised a wedding. Guests had to choose their meal pasta chicken or beef.
1/3 picked pasta
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