Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th April 2023
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 25. Work out y when x = 5.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 6 cm and angle 120°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
21 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has a minimum of 3 and a maximum of 21. Work out the range.
- 5The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
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