Daily Practice · Higher Plus

Daily Practice - Higher Plus

20th April 1994

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

1
Histograms2 marks
On a histogram, a 5-wide bar and a 20-wide bar have the same frequency density of 2.5. How many more values are in the wider class?
2
Bounds3 marks
A rectangle is 10 cm by 11 cm, each correct to the nearest cm. Work out the upper bound of its area.
3
Proof2 marks
In an algebraic proof, how would you write the next odd number after 2n + 1 in terms of an integer n?
4
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 5 m/s to 18 m/s over 6 seconds. Use the area under the velocity-time graph to find the distance travelled.
5
3d Pythagoras and Trigonometry3 marks
A cuboid measures 9 cm by 12 cm by 11 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.

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