Daily Practice

Foundation Plus

17th June 1971

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 4 batteries costs £1.40. A pack of 16 costs £4.96. Which pack is better value?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 18°. How many sides does it have?
3
Probability Trees3 marks
5 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 4x + 32. Use it to estimate y when x = 9.
5
Error Intervals2 marks
A number y is 19 when truncated to the nearest whole number. Write down the error interval for y.

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