Daily Practice · Higher

Daily Practice - Higher

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

31st August 2010

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

1
Reverse Percentages3 marks
A bill is £888 including VAT at 20%. Work out the amount before VAT.
2
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 2x - 5 = 0, to 2 decimal places.
3
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. Write y in terms of x.
4
Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 4. The smaller has an area of 14 cm^2. Work out the area of the larger.
5
Conditional Probability3 marks
10 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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