Daily Practice
Foundation
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11th January 1991
- 1Averages2 marks
Here are 7 numbers: 16, 15, 11, 7, 15, 6, 7. Work out the mean.
- 2Stem and Leaf2 marks
A stem and leaf diagram has a single stem 4 with the leaves 0, 1, 2, 6, 7. Work out the median of the five values.
- 3Error Intervals2 marks
A number y is 14 when truncated to the nearest whole number. Write down the error interval for y.
- 4Drawing Linear Graphs2 marks
A line has equation y = 4x + 2. Work out the y coordinate of the point on it where x = 1.
- 5Percentages2 marks
Work out 60% of 220.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1991, including the monthly compilation PDF.