Daily Practice · Higher Plus

Daily Practice - Higher Plus

20th January 1992

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

1
Bounds3 marks
A block has mass 320 g (to the nearest 10 g) and volume 25 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
2
Algebraic Fractions3 marks
Write 7/(x - 4) + 5/(x - 3) as a single fraction.
3
Velocity Time Graphs2 marks
A train slows steadily from 19 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. P is the midpoint. Write vector OP in terms of b and a.
5
Probability Equation Questions3 marks
The probability of winning a game is 5/8. A player expects 10 wins. How many games did they play?

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