Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
15th April 2016
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 48. Work out y when x = 7.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 21 cm and an angle of 37°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
- 5Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
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