Daily Practice · Higher

Daily Practice - Higher

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

28th March 2016

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

1
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
2
Congruent Triangles2 marks
Two triangles are known to be congruent because all three pairs of sides are equal. Which congruence condition is this?
3
Conditional Probability3 marks
21 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 92 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Standard Form3 marks
Work out (15 x 10^10) / (3 x 10^3). Give your answer in standard form.

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