Daily Practice · Higher

Daily Practice - Higher

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

11th January 2015

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

1
Probability Trees3 marks
6 of 9 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 16 and a maximum of 74. Work out the range.
3
Standard Form2 marks
Work out (3 x 10^6) x (7 x 10^6). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient 3 and passes through (5, 10). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 30. Work out y when x = 6.

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