Daily Practice

Foundation

21st April 1970

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

1
Error Intervals2 marks
A length x is 210 cm, rounded to the nearest 10. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 2x - 1 when x = 1.
3
Writing and Simplifying Ratio2 marks
Write the ratio 4 : 16 in the form 1 : n.
4
Area and Perimeter2 marks
A rectangle has an area of 54 cm^2 and a width of 6 cm. Work out its perimeter.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 250 times. How many heads would you expect?

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