Daily Practice

Higher

6th February 1984

5 questions · 12 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
Standard Form2 marks
Work out (8 x 10^7) x (4 x 10^6). Give your answer in standard form.
3
Expanding Triple Brackets3 marks
Expand and simplify (x + 3)(x + 4)(x + 3).
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
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 20 cm and one shorter side of 12 cm. Work out the other shorter side.

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