Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
31st December 2018
- 1Repeated Percentage Change3 marks
A price rises by 10% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because every side of one matches a side of the other. Which congruence condition is this?
- 3Conditional Probability3 marks
17 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 124 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 5Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
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