Daily Practice

Foundation

21st October 1969

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 0.2. It is thrown 100 times. How many heads would you expect?
2
Frequency Polygons2 marks
A frequency polygon has plotted frequencies of 8, 12, 11 and 3. How many values are in the whole data set?
3
Estimating2 marks
Estimate 146 x 27 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 8x - 7 when x = -5.
5
Conversions and Units1 mark
Convert 31 m into cm.

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