Measurement conversion
What is 1 meter in centimetres?
100 cm
Write the adding formula for perimeter.
p = l + l + w + w
or
p = l + w + l + w
Draw and label all sides of the rectangle.
l = 5 m
w = 1 m
p = 12 m
Find the perimeter
l = 10 m
w = 5 m
p = 30 m
A track is 100 meters. How many times do you need to run around the track to run a kilometre?
You need to run around the track 10 times.
What is 81 metres in centimetres?
8 100 cm
Write the perimeter formula for perimeter if you add the length and width first.
(l + w) x 2
or
2(l + w)
Draw and label all sides of the rectangle.
l = 45 cm
w = 15 cm
p = 120 cm
Find the perimeter
l = 100 cm
w = 10 cm
p = 220 cm
A swimming pool is 25 meters long. How many lengths does Adam need to swim to swim 300 meters?
He needs to swim 12 lengths.
What is 405 metres in millimetres?
405 000
Write the perimeter for formula if you double the length and double the width.
p = (l x 2) + (w x 2)
or
p = 2l + 2w
Draw and label all sides of the rectangle. Convert so that your sides are all the same unit
l = 10 m
w = 50 cm
p = 2100 cm
Find the perimeter
l = 20 mm
w = 1 cm
p = 60 mm
or
p = 6 cm
Aarya wants to put ribbon around her buddy's card. The length of the paper is 30 cm and the width is 20 cm. She has 90 cm of ribbon. Is this enough? Explain.
No it is not enough. The perimeter of the card is 100 cm. She would need 10 more cm of ribbon.
What is 8 meters in millimetres?
8 000 mm
Write the formula to find the perimeter for a square
p = 4s
You are building a picture frame and you need to buy wood.
l = 98 mm
w = 45 mm
p = 286 mm
Find the width
l = 1 m
P = 250 cm
w = 25 cm
Damon is putting Christmas lights around the edge of his whole room. His room is 2 m 55 cm long and 2 m 10 cm long. What is the perimeter of his room?
9 meters and 30 cm or 930 cm.
What is 400 cm in mm?
4 000 mm
Write the formula to find the perimeter of a triangle.
p = 3s
You need to paint the lines on the soccer field.
l = 100 m
w = 58 m
p = 316 m
The length is 15 cm.
What is the width?
The width is 5 cm.
Each string of lights is 1 meter long and costs $10. How many strings of lights does he need to buy?
10 strings for $100.