Daily Practice · Higher Plus

Daily Practice - Higher Plus

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

8th January 2017

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

1
Bounds3 marks
x = 178 and y = 43, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Proof3 marks
Prove that the sum of 9 consecutive integers is always a multiple of 9. State the simplified sum you would use.
3
Velocity Time Graphs2 marks
A train slows steadily from 34 m/s to rest in 8 seconds. Work out its deceleration.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = a. X is the midpoint. Write vector OX in terms of b and a.
5
Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 27 wins. How many games did they play?

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