Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
16th April 2025
- 1Speed and Density2 marks
A block has volume 115 cm^3 and density 11 g/cm^3. Work out its mass.
- 2Vectors3 marks
a is the column vector (1, 2) and b is (-2, 2). Work out 2a - 2b as a column vector.
- 3Probability Trees3 marks
8 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 6, 3, 6, 5. Write down the cumulative frequency at the end of the third class.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
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