Daily Practice

Foundation Plus

16th December 1974

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs3 marks
A coach travels 20 km in 0.5 hours, then 90 km in 2 hours. Work out the average speed for the whole journey, to 1 decimal place.
2
Vectors2 marks
a is the column vector (3, -3) and b is (5, -8). Work out a + b as a column vector.
3
Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Frequency Trees3 marks
130 people were surveyed. 40 were adults, of whom 5 said yes. 35 of the children said yes. How many said yes altogether?
5
Error Intervals2 marks
A number y is 27 when truncated to the nearest whole number. Write down the error interval for y.

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