Daily Practice · Higher

Daily Practice - Higher

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

23rd December 2007

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

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 2, y = 25. Work out y when x = 5.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 6 cm and 7 cm with an angle of 121° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has a minimum of 20 and a maximum of 32. Work out the range.
5
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.

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