Daily Practice · Higher

Daily Practice - Higher

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

13th November 1999

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

1
Conditional Probability3 marks
14 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 6, lower quartile 12, median 15, upper quartile 23 and maximum 33. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.5151... as a fraction in its simplest form.
4
Solving Quadratics3 marks
Solve x^2 - 10x + 24 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 180. Work out y when x = 5.

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