Daily Practice · Higher

Daily Practice - Higher

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

8th November 2004

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

1
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 13 cm and an angle of 48°. Work out the side opposite that angle, to 1 decimal place.
3
Probability 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.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 220 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Standard Form3 marks
Work out (24 x 10^6) / (6 x 10^2). Give your answer in standard form.

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