Daily Practice

Foundation Plus

10th November 1974

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

1
Real Life and Distance Time Graphs2 marks
Isla drives 120 km in 3 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-4, 8) and b is (3, 1). Work out a + b as a column vector.
3
Probability Trees3 marks
2 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Averages from Frequency Tables3 marks
In a survey 8 households own 1 car, 2 own 2 cars and 2 own 3 cars. Work out the mean number of cars, to 2 decimal places.
5
Error Intervals2 marks
A number y is 37 when truncated to the nearest whole number. Write down the error interval for y.

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