Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
28th June 2014
- 1Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 7, 3, 11, 21, 16. Write down the modal class.
- 2Standard Form2 marks
Work out (9 x 10^8) x (6 x 10^5). Give your answer in standard form.
- 3Solving Simultaneous Equations Graphically3 marks
The lines y = -2x - 6 and y = 2x + 6 are drawn. Write down the coordinates of the point where they cross.
- 4Ratio2 marks
Red and blue marbles are in the ratio 3 : 4. There are 15 red marbles. How many marbles are there altogether?
- 5Exact trig values1 mark
Write down the exact value of tan 45°.
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