Daily Practice · Higher Plus

Daily Practice - Higher Plus

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

23rd March 2003

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

1
Bounds3 marks
x = 195 and y = 179, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Algebraic Fractions3 marks
Write 5/(x + 5) + 7/(x + 3) as a single fraction.
3
Velocity Time Graphs2 marks
A train slows steadily from 26 m/s to rest in 10 seconds. Work out its deceleration.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = c. M is the point dividing AB in the ratio 1 : 3. Write vector OM in terms of b and c.
5
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 15 wins. How many games did they play?

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