Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

18th October 1992

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs2 marks
Kwame drives 67.5 km in 1.5 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-4, -8) and b is (-2, -3). Work out a + b as a column vector.
3
Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 7, 7, 12, 10. Write down the cumulative frequency at the end of the third class.
5
Error Intervals2 marks
A number y is 64 when truncated to the nearest whole number. Write down the error interval for y.

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