Foundation
10th March 1973
- 1Systematic Listing2 marks
Using only the digits 6, 5, 3, 2 and no digit twice, how many different two-digit numbers can be made?
- 2Frequency Trees3 marks
110 people were surveyed. 60 were adults, of whom 30 said yes. 5 of the children said yes. How many said yes altogether?
- 3Error Intervals2 marks
A number y is 82 when truncated to the nearest whole number. Write down the error interval for y.
- 4Function Machines2 marks
A function machine multiplies by 9 then subtracts 12. 42 comes out. What went in?
- 5Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 12 cm apart on the map. How far apart are they in real life, in km?
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