Daily Practice

Foundation Plus

8th April 1972

5 questions · 14 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 100 times. How many heads would you expect?
2
Averages from Frequency Tables3 marks
In a survey 8 households own 1 car, 9 own 2 cars and 7 own 3 cars. Work out the mean number of cars, to 2 decimal places.
3
Standard Form2 marks
Write 0.000357 in standard form.
4
Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 11.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 10. Work out y when x = 8.

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