Daily Practice

Foundation Plus

6th April 1988

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

1
Percentages2 marks
Work out 20% of 320.
2
Vectors2 marks
a is the column vector (-7, -2) and b is (0, 2). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 6x + 8. Use it to estimate y when x = 10.
5
Error Intervals2 marks
A number y is 58 when truncated to the nearest whole number. Write down the error interval for y.

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