Linear Measurement

And PERIMETER

Linear Measure

• The measurement of length• A unit, or system of units for measuring

length.

• An example of linear measure is using a metre stick to find the length of a table.

Perimeter

https://www.youtube.com/watch?v=3hlkRcTmFxY#action=share

https://www.youtube.com/watch?v=fPEcTmySUIs

Making a Nonstandard Measuring Tool

• You can use your body to measure things:– Your hand -Your foot

The cubit

• Ancient Egyptians used elbow to fingertip to measure distance. This is called a cubit.

Horse traders used hand widths to measure the

height of a horse. This is called ‘hands’.

To measure cloth

• Cloth was measured in yards – tip of the nose to the tip of the thumb.

• Whatever you decide to use, you need to explain it in detail; be sure it has a specific linear description.

• Eg. From my wrist to the end of my middle finger. (height of my hand)

• Eg. From my elbow to my wrist (forearm)• Determine how many cm your unit is equal to