Daily Practice · Higher

Daily Practice - Higher

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

1st February 2020

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 65°, angle B is 39° and side a is 20 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 11 are in A only, 9 in B only, 7 in both and 4 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 2, lower quartile 10, median 16, upper quartile 21 and maximum 25. Work out the interquartile range.
4
Bounds2 marks
A mass is 700 kg, correct to the nearest 10. Write down the lower bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 6x - 27.

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