Daily Practice · Higher Plus

Daily Practice - Higher Plus

20th January 1994

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

1
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2.5, one 5 units wide with density 1.4. How many values in total?
2
Surds3 marks
Simplify sqrt(18) + sqrt(50), giving your answer in the form a sqrt(b).
3
Algebraic Fractions3 marks
Write 6/(x + 5) + 5/(x + 6) as a single fraction.
4
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 3 m/s to 18 m/s over 5 seconds. Work out the acceleration.
5
3d Pythagoras and Trigonometry3 marks
A cuboid measures 12 cm by 6 cm by 8 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.

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