Daily Practice

Foundation

8th July 1986

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

1
Error Intervals2 marks
A length x is 12.3 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 7x + 7 when x = 7.
3
Exchange Rates2 marks
£1 is worth 1.24 US dollars. Convert 800 US dollars into pounds. Give your answer to the nearest penny.
4
Transformations2 marks
The point (-4, 0) is translated by the column vector (5, 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 250 times. How many heads would you expect?

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