Daily Practice

Higher Plus

15th September 1974

5 questions · 13 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
x = 194 and y = 163, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Proof2 marks
In an algebraic proof, how would you write the square of an odd number in terms of an integer n?
3
Velocity Time Graphs2 marks
A train slows steadily from 33 m/s to rest in 5 seconds. Work out its deceleration.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 8 cm and 13 cm and an area of 45.03 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 8 counters, r of them red. Two are taken without replacement and P(both red) = 1/28. Work out r.

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