Agricultural worker (crops) | Maths | Quizalize & Oak National Academy

Starter quiz

A quick ______ for a calculation is obtained from using approximate values, often rounded to 1 significant figure.
- 'estimate' ✓
The (arithmetic) mean for a set of ______ data is the sum of the values divided by the number of values.
- 'numerical' ✓
The mean is a measure of central tendency representing the ______ of the values.
- 'average' ✓
Convert 21.3 cm into mm.
- 2.13 mm
- 213 mm ✓
- 2130 mm
- 21 300 mm
Convert 21.3 cm into m.
- 2130 m
- 213 m
- 2.13 m
- 0.213 m ✓
Convert 21.3 cm into km.
- 0.000213 km ✓
- 0.0213 km
- 2130 km
- 2 130 000 km

Given that 1 acre $\approx$ 4046.86 m $^2$ , convert 1.7 acres into square metres.
- '6879.662' ✓
Given that 1 acre $\approx$ 4046.86 m $^2$ , convert 12.4 acres into square metres.
- '50 181.064' ✓
Given that 1 acre $\approx$ 4046.86 m $^2$ , convert 246 858.46 square metres into acres.
- '61' ✓
It is better to sell crops within your own country.
- Always true - you will always get the best price.
- Sometimes true - it depends on the exchange rate. ✓
- Always false - you may get a better price elsewhere.
Calculate the mean of the following values: 552, 547, 585, 578, 538
- '560' ✓
Calculate the mean of the following values: 37, 41, 47, 50, 40, 52, 46, 54, 48, 55
- '47' ✓

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Confusing unfamiliar units of measure.

Pupils may benefit from having two lists of metric and imperial measures to reference should they need to.

Area - The area is the size of the surface and states the number of unit squares needed to completely cover that surface.
Estimate - A quick estimate for a calculation is obtained from using approximate values, often rounded to 1 significant figure.
Mean - The (arithmetic) mean for a set of numerical data is the sum of the values divided by the number of values. It is a measure of central tendency representing the average of the values.