Daily Practice

Foundation

24th April 1990

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

1
Error Intervals2 marks
A length x is 87 cm, rounded to the nearest whole number. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 8x + 6 when x = 9.
3
Best Buy Questions3 marks
A pack of 9 teabags costs £4.50. A pack of 18 costs £8.10. Which pack is better value?
4
Transformations2 marks
The point (-6, 3) is translated by the column vector (-6, -5). Write down the coordinates of the image.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 100 times. How many heads would you expect?

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