Daily Practice

Foundation

1st March 1966

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

1
Error Intervals2 marks
A length x is 150 cm, rounded to the nearest 10. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 3x + 7 when x = 3.
3
Best Buy Questions3 marks
A pack of 4 sponges costs £1.80. A pack of 8 costs £3.12. Which pack is better value?
4
Area and Circumference of Circles2 marks
A circle has a diameter of 22 cm. Work out its area, to 1 decimal place.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.25. It is thrown 100 times. How many heads would you expect?

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