Daily Practice · Higher

Daily Practice - Higher

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

8th October 2000

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 11 and a maximum of 48. Work out the range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8181... as a fraction in its simplest form.
4
Factorising Harder Quadratics3 marks
Factorise 16x^2 - 24x + 9.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 8. Work out y when x = 2.

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