Daily Practice

Foundation

6th December 1988

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

1
Error Intervals2 marks
A length x is 30 cm, rounded to the nearest 10. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 3x + 8 when x = 9.
3
Ratio2 marks
Zara and Jacob share £110 in the ratio 4 : 7. How much does Zara get?
4
Area and Circumference of Circles2 marks
A circle has a diameter of 16 cm. Work out its area, to 1 decimal place.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 200 times. How many heads would you expect?

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