Daily Practice · Higher

Daily Practice - Higher

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

22nd August 2003

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

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 99. Work out y when x = 13.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 7 cm and 18 cm with an angle of 90° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
5 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
5
Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.

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