Daily Practice

Foundation

25th December 1984

5 questions · 10 marks · Grades 3-4 · 87 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 250 times. How many heads would you expect?
2
Frequency Polygons2 marks
A frequency polygon has plotted frequencies of 8, 4, 6 and 12. How many values are in the whole data set?
3
Estimating2 marks
Estimate 405 x 44 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 3x + 12 when x = 6.
5
Writing and Simplifying Ratio1 mark
Write the ratio 56 : 72 in its simplest form.

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