Daily Practice

Foundation

23rd January 1973

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

1
Error Intervals2 marks
A length x is 60 cm, rounded to the nearest whole number. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 8x - 11 when x = -3.
3
Best Buy Questions3 marks
A pack of 11 sponges costs £2.75. A pack of 33 costs £6.93. Which pack is better value?
4
Angles2 marks
An isosceles triangle has an apex angle of 36°. Work out one of the two equal base angles.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 100 times. How many heads would you expect?

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