Daily Practice · Higher

Daily Practice - Higher

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

1st February 2012

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

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 7 cm, 24 cm and 25 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 5 red and 6 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 8, 3, 9, 6. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices3 marks
Work out 81^(3/2).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -x - 9 that passes through (5, -10).

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