Daily Practice

Foundation

18th September 1962

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

1
Error Intervals2 marks
A length x is 4.6 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 6x - 1 when x = -4.
3
Best Buy Questions3 marks
A pack of 4 teabags costs £2.00. A pack of 16 costs £7.20. Which pack is better value?
4
Area and Perimeter2 marks
A rectangle has an area of 110 cm^2 and a width of 11 cm. Work out its perimeter.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 100 times. How many heads would you expect?

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