Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

25th December 2018

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
2
Vectors3 marks
a is the column vector (-1, 0) and b is (3, 4). Work out 2a - 3b as a column vector.
3
Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
30 newts are marked and released. Later 28 are caught, of which 7 are marked. Estimate the population.
5
Fractional and Negative Indices3 marks
Work out 27^(2/3).

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