Numeracy
30th August 1972
- 1Averages2 marks
Here are 7 numbers: 9, 9, 11, 5, 13, 13, 17. Work out the mean.
- 2Pictograms2 marks
On a pictogram one symbol stands for 4 books. A row shows 8 whole symbols and one half symbol. How many books is that?
- 3Error Intervals2 marks
A length x is 21 cm, rounded to the nearest whole number. Write down the error interval for x.
- 4Function Machines2 marks
A function machine multiplies by 6 then adds 15. What comes out when 9 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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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1972, including the monthly compilation PDF.