Find the total or difference given a part
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Lesson details
Key learning points
- In this lesson, we will learn how to find the total or difference between numbers in a given ratio, when provided with one part of that ratio. We will model solutions using part-part-whole bar models and solve problems in context.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Amjeet and Harry share some money in the ratio 5 : 3. Harry receives £24. How much does Amjeet receive?
£64
£8
£9
Q2.
Amjeet and Harry share some money in the ratio 5 : 3. Harry receives £24. How much money did they share?
£40
£8
£9
Q3.
Eva, Teddy and Sophie share some money in the ratio 2 : 7 : 5. Eva receives £30. How much more money did Teddy get than Sophie?
£105
£210
£75
3 Questions
Q1.
Eva and Jess share some sweets in the ratio 2 : 7. Jess receives 42 sweets. How many sweets did Eva receive?
54 sweets
6 sweets
Q2.
Eva and Jess share some sweets in the ratio 2 : 7. Jess receives 42 sweets. How many sweets did they have in total?
12 sweets
6 sweets
Q3.
David and Jasmine share some football cards in the ratio 5 : 9. Jasmine gets 12 more cards than David. How many cards did they share in total?
168 cards
27 cards
64 cards