Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
16th June 2010
- 1Speed and Density2 marks
A block has volume 25 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because both have a right angle, the same hypotenuse length and one equal leg. Which congruence condition is this?
- 3Conditional Probability3 marks
20 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 10, 6, 3, 3. Write down the cumulative frequency at the end of the third class.
- 5Standard Form3 marks
Work out (14 x 10^9) / (7 x 10^3). Give your answer in standard form.
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