Daily Practice · Higher

Daily Practice - Higher

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

28th September 2009

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 192 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Fractional and Negative Indices2 marks
Write 6^-3 as a fraction.
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 6x^2 - 8.
4
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 87°. Work out angle ADC.

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