Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
10th December 2014
- 1Velocity Time Graphs2 marks
A train slows steadily from 21 m/s to rest in 8 seconds. Work out its deceleration.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = q and vector OB = b. N is the point dividing AB in the ratio 3 : 1. Write vector ON in terms of q and b.
- 3Probability Equation Questions3 marks
The probability of winning a game is 3/8. A player expects 15 wins. How many games did they play?
- 4Histograms3 marks
On a histogram the bar for 50 < x <= 55 has a frequency density of 0.4. How many values are in that class?
- 5Bounds3 marks
A rectangle is 7 cm by 6 cm, each correct to the nearest cm. Work out the upper bound of its area.
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