Daily Practice · Higher Plus

Daily Practice - Higher Plus

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

12th December 2006

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 40 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 50 < x <= 55 has a frequency density of 0.4. How many values are in that class?
3
Surds3 marks
Expand and simplify (5 + sqrt(7))(5 - sqrt(7)).
4
Algebraic Fractions3 marks
Write 7/(x - 2) + 7/(x + 1) as a single fraction.
5
Velocity Time Graphs2 marks
A train slows steadily from 39 m/s to rest in 10 seconds. Work out its deceleration.

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