Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

7th November 2002

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

1
Best Buy Questions3 marks
A pack of 9 batteries costs £2.70. A pack of 36 costs £10.44. Which pack is better value?
2
Vectors2 marks
a is the column vector (-7, -5) and b is (4, -8). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 8 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 49 students, 22 study French, 31 study German and 12 study both. How many study neither?
5
Error Intervals2 marks
A number y is 76 when truncated to the nearest whole number. Write down the error interval for y.

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