Daily Practice

Foundation

23rd April 1991

5 questions · 9 marks · Grades 3-4 · 87 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 100 times. How many heads would you expect?
2
Frequency Polygons2 marks
A frequency polygon has plotted frequencies of 2, 12, 5 and 4. How many values are in the whole data set?
3
Negative Numbers1 mark
Work out -9 x 8.
4
Substitution2 marks
Work out the value of 4x + 11 when x = -5.
5
Writing and Simplifying Ratio1 mark
Write the ratio 45 : 72 in its simplest form.

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