Maths Homework Worksheet - 7th Grade, Testwood School Page 20
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22Name: ……………………………
Date: …………
Homework 3.11 – Ratio and proportion 1
Week 11 Summer term
1.
Simplify the following ratios:
A.
(a) 2:4
(b) 10:15
(c)
20:10
(d) 8:12:20
(e) 20mm : 5cm
2.
1.
Simplify the following ratios:
(a) 6:9
(b) 10:25
(c)
20:35
B.
(d) 18:12:24
(e) 20min : 5hours
2. Share these amounts into the given ratios:
(a)
(b)
3.
3 metres of ribbon cost £1.26. Work out the cost of 5 metres
of the same ribbon.
1.
Amy and Ben were given a total of £240. They shared the money in the
C.
ratio 7 : 5. Work out how much money each received.
2. This is a recipe for making Spaghetti Carbonara for 4 people.
Bill is making Spaghetti Carbonara for 10 people.
Work out the amount of each ingredient he needs.
Spaghetti Carbonara: Ingredients for 4 people
400 g of spaghetti
120 g of bacon
2 tablespoons of oil
4 eggs
50 g of cheese
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