Daily Practice

Foundation Plus

14th August 1977

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

1
Real Life and Distance Time Graphs2 marks
Anika drives 160 km in 4 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-8, -2) and b is (-2, -4). Work out a + b as a column vector.
3
Probability Trees3 marks
2 of 5 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 10, 11, 11, 12. Write down the cumulative frequency at the end of the third class.
5
Error Intervals2 marks
A number y is 24 when truncated to the nearest whole number. Write down the error interval for y.

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