Topic 3 Real-Life
5. 50 60 70 80 90 (a) Write down the number marked by the arrow.... (b) Find the number 530 on the number line. 300 400 500 600 700 800 Mark it with an arrow ( ). (c) Put these numbers in order of size. Start with the smallest. 52 31 1007 180.... (Total 3 marks) 6. (a) Write down the number marked with an arrow... (b) Find the number 6.7 on the number line. Mark it with an arrow ( )...
10. (a) Complete the table by writing a sensible metric unit on each dotted line. The first one has been done for you. The distance from London to Birmingham 179 kilometres The weight of a twenty pence coin 5. The height of the tallest living man 232. The volume of lemonade in a glass 250. (3) (b) Change 5000 metres to kilometres. km (4 marks) 11. (a) Complete this table. Write a sensible unit for each measurement. Three have been done for you. Metric Imperial The length of your finger... inches The distance between America and England kilometres... The amount of petrol in a petrol tank... gallons (3) (b) Change 3 metres to centimetres.... cm (c) Shalim says 1.5 km is less than 1400 m. Is he right? Explain your answer....... (5 marks)
2. Here is a conversion graph between pounds ( ) and Australian dollars. 30 25 20 Australian dollars 15 10 5 0 2 4 6 8 10 12 Pounds ( ) (a) Change 20 Australian dollars to pounds.... (b) Change 7 to Australian dollars.... Australian dollars (c) Change 400 to Australian dollars.... Australian dollars (Total 4 marks)
1. Jamie goes on holiday to Florida. The exchange rate is 1 = 1.70 dollars. He changes 900 into dollars. (a) How many dollars should he get?... dollars After his holiday Jamie changes 160 dollars back into pounds. The exchange rate is still 1 = 1.70 dollars. (b) How much money should he get? Give your answer to the nearest penny.... (4 marks) 2. Tania went to Italy. She changed 325 into euros ( ). The exchange rate was 1 = 1.68 (a) Change 325 into euros ( ).... When she came home she changed 117 into pounds. The new exchange rate was 1 = 1.50 (b) Change 117 into pounds.... (4 marks)
9. Rosie and Jim are going on holiday to the USA. Jim changes 350 into dollars ($). The exchange rate is 1 = $1.34 (a) Work out how many dollars ($) Jim gets. $... In the USA Rosie sees some jeans costing $67 In London the same make of jeans costs 47.50 The exchange rate is still 1 = $1.34 (b) Work out the difference between the cost of the jeans in the USA and in London. Give your answer in pounds ( ).... (3) (5 marks)
3. Here are two readings from a gas meter. 0 1 9 6 2 0 2 1 5 9 January April The difference in the meter readings gives the number of units of gas used. The cost of gas is 21p for each unit of gas used. Work out the cost of gas used. Give your answer in pounds ( ). (Total 4 marks)
The density of zinc is 7130 kg/m 3. (b) Work out the mass of 5 m 3 of zinc. kg (Total 4 marks) 13. A silver chain has a volume of 5 cm 3. The density of silver is 10.5 grams per cm 3. Work out the mass of the silver chain. grams (Total 2 marks)
1. The diagram shows a patio in the shape of a rectangle. The patio is 3.6 m long and 3 m wide. Matthew is going to cover the patio with paving slabs. Each paving slab is a square of side 60 cm. Matthew buys 32 of the paving slabs. (a) Does Matthew buy enough paving slabs to cover the patio? You must show all your working.... (3) The paving slabs cost 8.63 each. (b) Work out the total cost of the 32 paving slabs.... (3) (6 marks)
7. Jon has a flower garden in the shape of a circle. The diameter of the garden is 5 metres. Jon wants to put fencing around the edge of the garden. The fencing costs 1.80 per metre. Work out the total cost of the fencing.... (5 marks) 8. The diagram shows a CD. The CD is a circle of radius 6 cm. CDs of this size are cut from rectangular sheets of plastic. Each sheet is 1 metre long and 50 cm wide. Work out the greatest number of CDs that can be cut from one rectangular sheet.... (4 marks)