Daily Practice · Foundation

Daily Practice - Foundation

18th March 1997

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

1
Error Intervals2 marks
A length x is 860 cm, rounded to the nearest 10. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 8x + 12 when x = -3.
3
Best Buy Questions3 marks
A pack of 10 teabags costs £6.00. A pack of 20 costs £11.60. Which pack is better value?
4
Area and Perimeter1 mark
A rectangle measures 6 cm by 4 cm. Work out its area.
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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