Daily Practice · Higher

Daily Practice - Higher

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

22nd January 2022

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

1
Probability Trees3 marks
2 of 6 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 minimum 2, lower quartile 10, median 12, upper quartile 17 and maximum 25. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 5^-1 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 12x^2 + 19x + 4.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 6.

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