Daily Practice

Foundation Plus

21st May 1983

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

1
Ratio2 marks
Red and blue stickers are in the ratio 3 : 5. There are 36 red stickers. How many stickers are there altogether?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 36°. How many sides does it have?
3
Probability Trees3 marks
5 of 7 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 = 7x + 14. Use it to estimate y when x = 3.
5
Error Intervals2 marks
A number y is 58 when truncated to the nearest whole number. Write down the error interval for y.

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