Daily Practice · Higher

Daily Practice - Higher

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

23rd July 2007

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 228 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Bounds2 marks
A mass is 480 kg, correct to the nearest 10. Write down the upper bound.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 49.
4
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
5
The Sine Rule3 marks
In triangle ABC, angle A is 56°, angle B is 35° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.

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