Daily Practice

Foundation

12th October 1954

5 questions · 11 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 4.1 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 3x + 6 when x = 8.
3
Writing and Simplifying Ratio2 marks
Write the ratio 2 : 4 in the form 1 : n.
4
Area and Circumference of Circles2 marks
A circle has a diameter of 4 cm. Work out its area, to 1 decimal place.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 500 times. How many heads would you expect?

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