Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 66 wins. How many games did they play?
- 2Histograms3 marks
On a histogram the bar for 50 < x <= 70 has a frequency density of 0.4. How many values are in that class?
- 3Bounds3 marks
A block has mass 230 g (to the nearest 10 g) and volume 10 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
- 4Proof2 marks
In an algebraic proof, how would you write three consecutive even numbers in terms of an integer n?
- 5Velocity Time Graphs2 marks
A train slows steadily from 14 m/s to rest in 8 seconds. Work out its deceleration.
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