Daily Practice · Foundation

Daily Practice - Foundation

14th January 1992

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

1
Error Intervals2 marks
A length x is 12.8 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 8x + 4 when x = 6.
3
Best Buy Questions3 marks
A pack of 10 batteries costs £2.50. A pack of 30 costs £6.90. Which pack is better value?
4
Angles2 marks
An isosceles triangle has an apex angle of 68°. Work out one of the two equal base angles.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 250 times. How many heads would you expect?

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