Daily Practice
Numeracy
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27th October 1980
- 1Writing and Simplifying Ratio1 mark
Write the ratio 16 : 20 in its simplest form.
- 2Angles2 marks
Two of the angles in a triangle are 63° and 51°. Work out the third angle.
- 3Averages2 marks
Here are 6 numbers: 20, 16, 21, 14, 9, 10. Work out the mean.
- 4Frequency Polygons2 marks
A frequency polygon is drawn for grouped data. One class is 10 < x <= 30. What value on the x-axis is the point plotted at?
- 5Negative Numbers1 mark
Work out -17 - 24.
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