Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
5th September 2022
- 1Repeated Percentage Change3 marks
A price rises by 10% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because two pairs of sides and the angle between them are equal. Which congruence condition is this?
- 3Conditional Probability3 marks
18 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 212 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 5Standard Form2 marks
Work out (2 x 10^3) x (2 x 10^5). Give your answer in standard form.
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