Daily Practice

Foundation Plus

5th August 1989

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 : 4. There are 33 red stickers. How many stickers are there altogether?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 60°. How many sides does it have?
3
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Frequency Trees3 marks
190 people were surveyed. 40 were adults, of whom 20 said yes. 65 of the children said yes. How many said yes altogether?
5
Error Intervals2 marks
A number y is 63 when truncated to the nearest whole number. Write down the error interval for y.

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