Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
18th November 2022
- 1Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... as a fraction in its simplest form.
- 4Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 96. Work out y when x = 5.
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