February 03, 2021
Transcript of February 03, 2021
5.2.21 Perimeter CHN PDF
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February 03, 2021
Fridayhttps://www.topmarks.co.uk/mathsgames/daily10
5.2.21 Perimeter CHN PDF
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February 03, 2021
5.2.21 V. II . XXIWALT: solve perimeter problems (test base).Steps to success:Understand that perimeter is the distance around a 2D shape.Be able to find the perimeter of a rectangle by using a formula. (2 x L) + (2 x W) or 2 x (L + W)Be able to find the perimeter of a regular shape when one length is given (length x number of sides)Be able to find the missing measurement of a rectangle when the perimeter is given.Double the measurement of the side.Subtract the result from the given perimeter.Halve the result to find the measurement of the missing side.
Use RUCSAC to help with multistep questions.
5.2.21 Perimeter CHN PDF
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February 03, 2021
perimeter= 168 cm
perimeter= 204 cm
perimeter= 47 cm
perimeter= 46 cm
55cm
34cm
15.5cm
7.5cm
x
y y
x
x = 29 cm x = 8 cm
y = 68 cm y = 15.5 cm
5.2.21 Perimeter CHN PDF
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February 03, 2021
perimeter= 168 cm
perimeter= 204 cm
perimeter= 47 cm
perimeter= 46 cm
55cm
34cm
15.5cm
7.5cm
x
y y
x
x = 29 cm x = 8 cm
y = 68 cm y = 15.5 cm
Answers:
5.2.21 Perimeter CHN PDF
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February 03, 2021
Review finding the perimeter of compound shapes.
6.25cm 6.25cm
4cm9cm
5cm
?
?5cm
Perimeter = 61cm . 0.61m. 610mm
5.2.21 Perimeter CHN PDF
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February 03, 2021
Review finding the perimeter of compound shapes.
6.25cm 6.25cm
4cm9cm
5cm
9cm
16.5cm
5cm
Answers:
Perimeter = 61cm . 0.61m. 610mm
5.2.21 Perimeter CHN PDF
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February 03, 2021
A regular hexagon has a perimeter of 36 cm.
What does each side measure?
A regular pentagon has a perimeter of 100cm.
What does each side measure?
A regular octagon has a perimeter of 96 cm.
What does each side measure?
5.2.21 Perimeter CHN PDF
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February 03, 2021
A regular hexagon has a perimeter of 36 cm.
What does each side measure?
A regular pentagon has a perimeter of 100cm.
What does each side measure?
A regular octagon has a perimeter of 96 cm.
What does each side measure?
36 6 = 6
6 cm
100 5 = 20
20 cm
96 8 = 12
12 cm
5.2.21 Perimeter CHN PDF
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February 03, 2021
What does one side of a square measure here?
What is the total perimeter of the shape above?
5.2.21 Perimeter CHN PDF
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February 03, 2021
What does one side of a square measure here?
What is the total perimeter of the shape above?
15 3 = 5cm
10 sides so 10 x 5 = 50cm
Answers:
5.2.21 Perimeter CHN PDF
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February 03, 2021
This shape is made up of 3 regular hexagons and three equilateral triangles. The sides of the hexagons measure 9cm. What is the perimeter of the shape?
5.2.21 Perimeter CHN PDF
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February 03, 2021
This shape is made up of 3 regular hexagons and three equilateral triangles. The sides of the hexagons measure 9cm. What is the perimeter of the shape?
15 x 9 = 135
Perimeter = 135cm
Answers: