Danny had his palm impression on a grid sheet and it covers 12 complete grids, 5 more than half grids and 3 less than half grids. If each grid occupies 1 $c m^{2}$ then what is the space occupied by his palm?

[1 mark]

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Solution

Solution:

Given,
Space occupied by each grid = 1 $c m^{2}$
Number of complete grids occupied = 12
Number of more than half grids occupied = 5
And, number of less than half grids occupied = 3

So, space occupied by his hand is:
Area = 12 × 1 + 5 × 1 + 3 × 0 = 17 $c m^{2}$

[1 mark]

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Assumptions to be considered while counting grids:

∙

1 complete grid = 1 full grid

∙

More than half grid = 1 full grid

∙

Less than half grid = 0 grid

∙

Exactly half grid = 0.5 grid

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Danny had his palm impression on a grid sheet and it covers 12 complete grids, 5 more than half grids and 3 less than half grids. If each grid occupies 1 cm2 then what is the space occupied by his palm? [1 mark]

Solution: Given, Space occupied by each grid = 1 cm2 Number of complete grids occupied = 12 Number of more than half grids occupied = 5 And, number of less than half grids occupied = 3 So, space occupied by his hand is: Area = 12 × 1 + 5 × 1 + 3 × 0 = 17 cm2 [1 mark]

Danny had his palm impression on a grid sheet and it covers 12 complete grids, 5 more than half grids and 3 less than half grids. If each grid occupies 1 $c m^{2}$ then what is the space occupied by his palm?

[1 mark]

Solution:

Given,
Space occupied by each grid = 1 $c m^{2}$
Number of complete grids occupied = 12
Number of more than half grids occupied = 5
And, number of less than half grids occupied = 3

So, space occupied by his hand is:
Area = 12 × 1 + 5 × 1 + 3 × 0 = 17 $c m^{2}$

[1 mark]