Daily Practice

Foundation Plus

21st November 1989

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Writing and Simplifying Ratio2 marks
Write the ratio 5 : 35 in the form 1 : n.
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 20°. How many sides does it have?
3
Probability Trees3 marks
5 of 9 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 = 9x + 36. Use it to estimate y when x = 6.
5
Error Intervals2 marks
A number y is 48 when truncated to the nearest whole number. Write down the error interval for y.

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