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

Starter quiz

The ______ is the size of a surface and states the number of unit squares needed to completely cover that surface.
- 'area' ✓
What is the area of a rectangle measuring 20 cm by 30 cm?
- 50 cm $^2$
- 100 cm $^2$
- 600 cm $^2$ ✓
- 360 000 cm $^2$
What is the area of an equilateral triangle with a base of 8 cm and a perpendicular height of 12 cm?
- 20 cm $^2$
- 24 cm $^2$
- 36 cm $^2$
- 48 cm $^2$ ✓
- 96 cm $^2$
Percentage loss is the decrease when referencing something that loses cost/mass/length, etc. given as a percentage of the ______ amount.
- 'original' ✓
Match the multiplier to the correct effect.
- 0.08
  
  ⇔
  
  Multiply by this to find 8% of the original value. ✓
- 0.8
  
  ⇔
  
  Multiply by this to find 80% of the original value. ✓
- 0.88
  
  ⇔
  
  Multiply by this to find 88% of the original value. ✓
- 1.08
  
  ⇔
  
  Multiply by this to find 108% of the original value. ✓
- 1.8
  
  ⇔
  
  Multiply by this to find 180% of the original value. ✓
- 1.88
  
  ⇔
  
  Multiply by this to find 188% of the original value. ✓
I buy a top for £12 in a sale. The original price was £20. What percentage of the original amount did I pay?
- '60%' ✓

Exit quiz

If the area of a barn is 300 m $^2$ and a cow requires a living area of 10 m $^2$ , calculate the number of cows that the barn can safely hold.
- '30' ✓
If the area of a barn is 300 m $^2$ and a sheep requires a living area of 2 m $^2$ , calculate the number of sheep that the barn can safely hold.
- '150' ✓
If the area of a barn is 300 m $^2$ and a pig requires a living area of 2.2 m $^2$ , calculate the number of pigs that the barn can safely hold.
- '136' ✓
If it costs £34 218.75 per year to care for a herd of cows and they generate an income of £75 482 per year, what is the result?
- A loss of £41 263.25
- A loss of £34 218.75
- A gain of £41 263.25 ✓
- A gain of £75 482
If it costs £34 218.75 per year to care for a herd of cows and they generate an income of £75 482 per year, what is the percentage profit (to the nearest percent)?
- '121%' ✓
If it costs £20 950.20 per year to care for a herd of pigs and they generate an income of £27 120 per year, what is the percentage profit (to the nearest percent)?
- '29%' ✓

Worksheet

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Presentation

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Lesson Details

Key learning points

There are multiple factors to consider when rearing livestock
One factor is the amount of land each cow would need
Calculations are needed to work out the milk yield per cow and the cost of care

Common misconception

The factors mentioned in the lesson are the only factors to consider when considering costs/profits of livestock.

There are many more factors to consider. Pupils could research these or brainstorm with a partner. An example could be selling the wool from any sheep owned.

Keywords

Area - The area is the size of the surface and states the number of unit squares needed to completely cover that surface.
Percentage loss - Percentage loss is the decrease when referencing something that loses cost/mass/length, etc. given as a percentage of the original amount.