Daily Practice

Foundation

15th October 1974

5 questions · 12 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 33 cm, rounded to the nearest whole number. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 9x + 1 when x = 4.
3
Best Buy Questions3 marks
A pack of 12 sponges costs £4.80. A pack of 48 costs £16.32. Which pack is better value?
4
Angles in Polygons2 marks
Work out the sum of the interior angles of a octagon.
5
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?

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