Daily Practice · Higher

Daily Practice - Higher

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

12th February 2001

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 40 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Reverse Percentages3 marks
A bill is £792 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + x - 12.
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
5
The Sine Rule3 marks
In triangle ABC, angle A is 70°, angle B is 31° and side a is 6 cm. Use the sine rule to work out side b, to 1 decimal place.

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