Foundation
21st October 1961
- 1Systematic Listing2 marks
Using only the digits 7, 4, 5, 2 and no digit twice, how many different two-digit numbers can be made?
- 2Frequency Trees3 marks
90 people were surveyed. 70 were adults, of whom 35 said yes. 10 of the children said yes. How many said yes altogether?
- 3Error Intervals2 marks
A number y is 75 when truncated to the nearest whole number. Write down the error interval for y.
- 4Function Machines2 marks
A function machine multiplies by 4 then subtracts 8. 16 comes out. What went in?
- 5Real Life and Distance Time Graphs2 marks
Jacob drives 112.5 km in 2.5 hours. Work out the average speed in km/h.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1961, including the monthly compilation PDF.