Daily Practice · Higher

Daily Practice - Higher

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

18th June 2018

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

1
Conditional Probability3 marks
16 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 116 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Standard Form2 marks
Work out (4 x 10^5) x (8 x 10^-5). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 4x^2 + 9x - 7 = 0, to 2 decimal places.
5
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.

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