Starter quiz
- Metric units are based around the standard units of...
- metre ✓
- yard
- gram ✓
- pound
- litre ✓
-
- Select the metric units for distance.
- Millimetre ✓
- Inch
- Foot
- Centimetre ✓
-
- Select the metric units for mass.
- gram ✓
- ounce
- kilogram ✓
- pound
- stone
-
- Select the metric units for capacity.
- Millilitre ✓
- Centilitre ✓
- Pint
- Gallon
-
- How many millilitres are there in one litre?
- 10
- 100
- 1000 ✓
- 10 000
-
- 1.2 km is equivalent to...
- 120 m
- 1200 m ✓
- 12 000 cm
- 120 000 cm ✓
-
Exit quiz
Laura is cooking for her family. Calculate the mass (to the nearest gram) for the chicken that she needs to buy.- 281 g
- 825 g
- 1074 g
- 1940 g
- 2381 g ✓
-
- Laura is cooking for her family. Calculate the mass (to the nearest gram) for the carrots that she needs to buy.
- 281 g
- 825 g ✓
- 1074 g
- 1940 g
- 2381 g
-
- Laura is cooking for her family. Calculate the mass (to the nearest gram) for the sweet potatoes that she needs to buy.
- 281 g
- 825 g
- 1074 g ✓
- 1940 g
- 2381 g
-
- Laura is cooking for her family. Calculate the mass (to the nearest gram) for the onions that she needs to buy.
- 281 g ✓
- 825 g
- 1074 g
- 1940 g
- 2381 g
-
- Laura needs to buy 2.381 kg of chicken to ensure she has enough chicken after preparation. Assuming the cost is proportional to the mass, what will this cost her?
- '£15.46' ✓
- Laura needs to buy 281 g of onions to ensure she has enough onion after preparation. Assuming the cost is proportional to the mass, what will this cost her?
- '£0.28' ✓
Worksheet
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Presentation
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Lesson Details
Key learning points
- A chef may need to convert between U.S. and metric measurements
- Many foods require preparation before they can be used in cooking
- Calculating the edible portion can be done using percentages
Common misconception
Pupils may think the mathematical conventions for rounding should apply.
This is rounding in a practical context and pupils should consider what the effects of rounding up and down are and how they affect the answer.
Keywords
Metric - Metric units are based around the standard units of metre, gram and litre.
Percentage loss - Percentage loss is the decrease when referencing something that loses cost/mass/length, etc. given as a percentage of the original amount.
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