202 Floor boarding and calculations
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Instructional Technology
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Professional Development
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Medium
John North
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14 Slides • 11 Questions
1
Floor boarding and calculations.
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Aim: Introduce learners to floor boarding and calculations.
Objectives:
Calculate Area
Calculate Perimeter
Calculate Volume
Calculate Quantity
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Flooring is calculated in m2.
To calculate the area, the formula is length x width.
Sheet flooring is approximately 900mm wide x 1800mm long = approximately 1.62m2.
For example:
If you have a room 4.3m x 6.4m, the area = 27.53m2.
Now divide the room floor area by the sheet flooring area. 27.53m2 / 1.62m2 = 16.9 = 17 sheets of flooring.
Calculating for sheet flooring
4
6m
4m
Calculate the area of this shape A
5
Multiple Choice
The area of the shape A is:
2.4m2
.24m3
24m2
4.2mm2
6
6m
4000mm
2m
4m
Calculate the area of this shape B
7
Multiple Choice
What is the area of shape B ?
48m2
0.48mm2
48m3
0.048mm2
8
9
6m
4000mm
2m
4m
Calculate the Perimeter of this shape C
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Multiple Choice
What is the perimeter of shape C?
32 square metres (M2)
32 linear metres
(LM)
32 cubic metres
(M3)
32mm2 Linear metres
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How many 120mm's will fit into side A?
Side A = 6m
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Multiple Choice
How many 120mm's will fit into 6m side A?
50
5
25
100
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Side A = 6m
Floor Board C
Side B = 10m
How long does the Floor Board above need to be to go from end to end?
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Multiple Choice
How long does the Floor Board C need to be, to go from end to end?
10mm
0.100mm
10m
10m2
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Side A = 6m
Floor Board C
Side B = 10m
How long does the Floor Board above need to be to go from end to end?
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Multiple Choice
If I had 20 lengths of Floor Board C How many linear metres would I have?
20 linear metres
200 linear metres
2000 linear metres
200 linear millimetres
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Flooring is calculated in m2.
To calculate the area, the formula is length x width.
Sheet flooring is approximately 900mm wide x 1800mm long = approximately 1.62m2.
For example:
If you have a room 6.3m x 8.4m, What is the area?
Now divide the room floor area by the sheet flooring area. 27.53m2 / 1.62m2 = 16.9 = 17 sheets of flooring.
Calculating for sheet flooring
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Fill in the Blanks
What is the area of: Sheet flooring is approximately 900mm wide x 1800mm long?
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Multiple Choice
If you have a room 6.3m x 8.4m, what is the area?
38.38m2
63m2
17.28m2
52.92m2
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Fill in the Blanks
If you had a floor area of 30.78m2. How many 900mm wide x 1800mm sheets of flooring would you need?
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The formula for floor boards is similar to that for sheet flooring.
Floor board widths vary depending on the supplier, but are generally 150mm wide x 5m long, which is the size we will use.
Flooring is laid across the joists (the length of the room).
If you have a room 4.3m (L) x 6.4 (W)
The area = 27.53m2. = 4.3m / 150mm = 28.6 = 28.6 x 6.4 = 183.5m = 183.5m / 5m = 36.693 lengths of floor board = 37 lengths of floor boards at 5m long.
Calculating for floor boards
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Fill in the Blanks
Calculating 150mm wide floor boards. If you have a room 6.3m (L) x 8.4 (W).
You can only get lengths of floor boarding in 5m lengths !
How many meters of 150mm wide flooring would you need?
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Calculating for wastage.
Wastage is generally calculated at 15%.
This ensures that there is sufficient flooring, as in some circumstances flooring has to be cut and wastage is inevitable.
We will calculate for the previous two flooring calculations.
Sheet flooring: 27.53m2 / 1.62m2 = 16.9 = 17 sheets of flooring 17 x 15% = 2.55 = 3 sheets 17 + 3 = 20 sheets
Floor boards: 183.5m / 5m = 36.693 = 37 lengths of floor board 37 x 15% = 5.55 = 6 lengths 37 + 6 = 43 lengths
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Fill in the Blanks
You have worked out that you will need 49 - 5m lengths of 150mm flooring. But you need to add 15% for waste.
How many 5m lengths of flooring will you order?
In this instance you can only order the flooring in 5m lengths. So you will need to round up or you wont have enough !
25
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Floor boarding and calculations.
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