Measurement Conversions
Arrange these units from smallest to largest:
metre, millimetre, kilometre, centimetre
millimetre, centimetre, metre, kilometre
Define perimeter.
The distance around a two dimensional shape.
Draw a circle and label the diameter.
Teacher check
Explain how the value of pi is calculated.
Pi is equal to the circumference of a circle divided by it's diameter.
What is the formula for working out the length of an arc?
Teacher to correct
How many metres are in one kilometre?
1000m
The perimeter of a circle is more accurately known as the ......
circumference
16cm
What is the formula for finding the circumference of a circle?
Teacher to correct
What is the arc length of a semi circle, when the diameter of the circle is 5km?
7.85m
How many centimetres are in a metre?
100cm
What is the perimeter of a square with a side measuring 5m?
20m
Define the term sector with respect to parts of a circle.
The area of a circle defined by two radii and an arc.
What is the circumference of a circle with a diameter of 24cm? (2dp)
75.40cm
What is the arc length of a quadrant, if the radius of the circle is 10cm? (2dp)
15.71cm
How many centimetres are in 2.56 metres?
256 centimetres
What is the perimeter of a rectangle with a length of 15cm and a width (breadth) of 9cm?
48cm
Draw a circle and label a tangent.
See teacher
What is the circumference of a circle with a radius of 5.12m?
32.17m
What is the perimeter of a semi-circle if the diameter is 4km?
10.28km
How many kilometres are in 4680 metres?
4.68 km
An equilateral triangle has a perimeter of 270cm. What is the length of each side?
90cm
True or False
A chord is a smaller part of the circumference.
False
A chord is a line joining two points on the circumference.
If a running track has a circumference of 500m, what is it's diameter?
159.15m
Give one good example of where the formula for determining an arc length is important in life!
TEacher correct