Daily Practice · Higher

Daily Practice - Higher

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

2nd March 2002

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

1
Conditional Probability3 marks
15 students study Spanish and 5 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 13, lower quartile 20, median 24, upper quartile 30 and maximum 34. Work out the interquartile range.
3
Bounds2 marks
A mass is 30 kg, correct to the nearest 10. Write down the upper bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - x - 8 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 324. Work out y when x = 3.

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