Numeracy
17th August 1970
- 1Probability (Foundation)2 marks
The probability that it rains tomorrow is 1/2. Work out the probability that it does not rain.
- 2Pictograms2 marks
On a pictogram one symbol stands for 10 letters. A row shows 8 whole symbols and one half symbol. How many letters is that?
- 3Error Intervals2 marks
A length x is 8.1 cm, rounded to 1 decimal place. Write down the error interval for x.
- 4Function Machines2 marks
A function machine multiplies by 8 then subtracts 14. 50 comes out. What went in?
- 5Scale Drawings2 marks
A model of a bridge is built to a scale of 1 : 100. The real length is 5 m. How long is the model, in cm?
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