Daily Practice

Foundation Plus

18th May 1980

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

1
Real Life and Distance Time Graphs2 marks
Anika drives 180 km in 3 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (3, 4) and b is (2, -7). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Frequency Trees3 marks
170 people were surveyed. 80 were adults, of whom 25 said yes. 5 of the children said yes. How many said yes altogether?
5
Error Intervals2 marks
A number y is 72 when truncated to the nearest whole number. Write down the error interval for y.

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