Daily Practice · Foundation

Daily Practice - Foundation

5th October 1993

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

1
Error Intervals2 marks
A length x is 9.3 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 9x + 8 when x = 4.
3
Best Buy Questions3 marks
A pack of 11 teabags costs £3.85. A pack of 22 costs £6.82. 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 0.25. It is thrown 50 times. How many heads would you expect?

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