Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
5th April 2006
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 3, 3, 10, 10. Write down the cumulative frequency at the end of the third class.
- 2Surds2 marks
Write sqrt(48) in the form a sqrt(b), where b is as small as possible.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = x + 5 that passes through (3, 7).
- 4Speed and Density2 marks
A block has volume 150 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 3 cm, 4 cm and 5 cm. Work out the angle opposite the 3 cm side, to 1 decimal place.
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