Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

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

6th February 2020

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

1
Best Buy Questions3 marks
A pack of 6 pencils costs 90p. A pack of 18 costs £1.62. Which pack is better value?
2
Vectors2 marks
a is the column vector (3, 6) and b is (-7, 7). Work out a + b as a column vector.
3
Probability Trees3 marks
4 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
50 fish are marked and released. Later 20 are caught, of which 5 are marked. Estimate the population.
5
Error Intervals2 marks
A number y is 35 when truncated to the nearest whole number. Write down the error interval for y.

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