Daily Practice · Higher

Daily Practice - Higher

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

27th October 2011

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Repeated Percentage Change3 marks
A town's population is 31500 and grows by 4% each year. Work out the population after 3 years, to the nearest whole number.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 17 cm and an angle of 66°. Work out the side opposite that angle, to 1 decimal place.
3
Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Histograms2 marks
A histogram class is 20 units wide and contains 10 values. Work out the frequency density.
5
Fractional and Negative Indices2 marks
Write 9^-1 as a fraction.

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