Daily Practice · Higher Plus

Daily Practice - Higher Plus

Grades 8-9 - exam-stretch algebra, geometry and reasoning.

26th April 2006

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 16, y = 8. Work out y when x = 64.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = c and vector OB = q. N is the point dividing AB in the ratio 2 : 1. Write vector ON in terms of c and q.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 7 wins. How many games did they play?
4
Histograms3 marks
A histogram has four 10-wide classes from 0, with frequency densities 3, 1, 0.5, 2. Which class contains the median?
5
Bounds3 marks
A rectangle is 4 cm by 5 cm, each correct to the nearest cm. Work out the upper bound of its area.

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