3.26 To record temperature using degrees celsius  (Page 2/2)

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4. Study the map of South Africa.

4.1 What is the difference between the minimum and maximum temperatures predicted for:

Cape Town? _________________o C

Sutherland? _________________o C

Still Bay? _________________o C

4.2 The distance between Cape Town and Johannesburg is 1 380 km.

If Mr Fourie travels this distance at an average speed of 120 km/h, how long will it take him to reach his destination?

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4.3 During January Durban experienced a heat wave. The maximum temperatures for five subsequent days were:

Mon: 43o C

Tue: 41,4 o C

Wed: 39,8 o C

Thu: 42 o C

Fri: 41,2o C

What was the average maximum for these five days?

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5. Mrs Marais wants to tile her bathroom in the following pattern.

Each tile is square, with a side of 25 cm..

5.1 What are the measurements of the bathroom?

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5.2 What is the area of the bathroom (in m2)?

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5.3 How many white and black tiles respectively must Mrs Marais buy? (The sketch only illustrates the pattern, and not the number of tiles).

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5.4 Express the black tiles as a fraction of the white tiles (simplify if possible).

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6. If each square in the following figure is 2 cm by 2 cm, calculate the size of the area that is coloured in.

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7. A gift is decorated with ribbon.

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7.2 How much ribbon is left over if 5 m of ribbon was bought?

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8. The Blue Train departs from Cape Town for Johannesburg.

There are 18 compartments (maximum 4 persons) and 12 coupes (maximum 2 persons).

8.1 What is the maximum number of passengers that can be accommodated?

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8.2 The train departs on Tuesday at 23:20 from Cape Town and arrives on Thursday at 06:15 in Johannesburg. What is the duration of the journey?

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TOTAL: 40