Numeracy
30th October 1981
- 1Probability (Foundation)2 marks
A bag holds 4 red, 8 blue and 6 green counters. One is taken at random. Work out the probability it is red.
- 2Pictograms2 marks
On a pictogram one symbol stands for 4 books. A row shows 3 whole symbols and one half symbol. How many books is that?
- 3Error Intervals2 marks
A length x is 20 cm, rounded to 1 decimal place. Write down the error interval for x.
- 4Function Machines2 marks
A function machine multiplies by 7 then adds 4. What comes out when 12 goes in?
- 5Scale Drawings2 marks
A model of a narrowboat is built to a scale of 1 : 25. The real length is 2.25 m. How long is the model, in cm?
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