Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

Grades 4-6 - the Foundation / Higher crossover zone.

10th June 2010

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

1
Best Buy Questions3 marks
A pack of 9 batteries costs £1.80. A pack of 18 costs £3.24. Which pack is better value?
2
Vectors2 marks
a is the column vector (8, 2) and b is (5, -5). Work out a + b as a column vector.
3
Probability Trees3 marks
4 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Two Way Tables3 marks
Of 37 students, 11 study French, 12 study German and 5 study both. How many study neither?
5
Error Intervals2 marks
A number y is 42 when truncated to the nearest whole number. Write down the error interval for y.

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