Starter quiz
- The front ______ of a solid is the view of it from the front.
- 'elevation' ✓
- The ______ elevation of a solid is the view of it from the side.
- 'side' ✓
- The area is the size of the surface and states the number of unit ______ needed to completely cover that surface.
- 'squares' ✓
- The formula for the area of a rectangle is . When = 3 cm and = 4 cm, what is the area of the rectangle in cm? (You do not need to state the units.)
- '12' ✓
- The formula for the area of a trapezium is . When = 3 cm, = 4 cm and = 10, what is the area of the trapezium in cm? (You do not need to state the units.)
- '35' ✓
- Assuming the cost is proportional, if 12 planks of wood cost £30.60, what do five planks cost?
- '£12.75' ✓
Exit quiz
- 1 kW = ______ W
- '1000' ✓
- 0.96 kW = ______ W
- '960' ✓
- where is the flow rate, is the flow area and is the velocity. If the flow rate is 36 m and the velocity is 10 m/s, what is the flow area in m?
- '3.6' ✓
- BTU = volume of room allowance for heat loss. Calculate the BTU for a bedroom with dimensions 3 m by 3 m by 5 m.
- '4860' ✓
- BTU = volume of room allowance for heat loss. If I want to buy one radiator for my bedroom (dimension 3 m by 3 m by 5 m), which one should I buy?
- 600 mm by 400 mm
- 600 mm by 600 mm
- 600 mm by 800 mm
- 600 mm by 1000 mm ✓
- 600 mm by 1200 mm
-
- BTU = volume of room allowance for heat loss. If I want to buy two radiators for my bedroom (dimension 3 m by 3 m by 5 m), which ones should I buy?
- Two 600 mm by 400 mm radiators
- Two 600 mm by 600 mm radiators ✓
- Two 600 mm by 800 mm radiators
- Two 600 mm by 1000 mm radiators
- Two 600 mm by 1200 mm radiators
-
Worksheet
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Presentation
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Lesson Details
Key learning points
- Costs can be minimised by efficiently calculating material requirements
- Electricians need to be able to use Ohm's law
- An understanding of flow rates helps plumbers install the correct equipment
Common misconception
Pupils may substitute incorrectly.
Each variable in a formula represents something. Substituting for one variable at a time may help ensure that values are in the correct places.
Keywords
Front elevation - The front elevation of a solid is the view of it from the front.
Side elevation - The side elevation of a solid is the view of it from the side.
Area - The area is the size of the surface and states the number of unit squares needed to completely cover that surface.
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