Daily Practice

Foundation Plus

3rd April 1975

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

1
Best Buy Questions3 marks
A pack of 5 teabags costs £1.50. A pack of 15 costs £3.60. Which pack is better value?
2
Vectors2 marks
a is the column vector (-2, -5) and b is (6, -6). 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
Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 6x + 6. Use it to estimate y when x = 5.
5
Error Intervals2 marks
A number y is 46 when truncated to the nearest whole number. Write down the error interval for y.

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