Daily Practice

Foundation Plus

13th April 1973

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

1
Scale Drawings2 marks
A map has a scale of 1 : 10000. Two villages are 3 cm apart on the map. How far apart are they in real life, in km?
2
Vectors2 marks
a is the column vector (2, -5) and b is (-1, -2). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 9 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 6, 12, 3, 8. Write down the cumulative frequency at the end of the third class.
5
Error Intervals2 marks
A number y is 89 when truncated to the nearest whole number. Write down the error interval for y.

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