Area and Perimeter

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Area and Perimeter

How to calculate perimeter

How to calculate the area of a irregular shape

You can count the squares inside the shape or you can create a new shape using dotted lines

You can use a formula or grid paper

Units of measurement

Non-Standard units

Body

Leg

Hand

Finger

Foot

Standard units

Mm

Dm

M

Km

Cm

How to calculate area

How to calculate the perimeter of a irregular shape

Add up all the sides or use a formula

You can use a formula or grid paper

Main topic

Area

The formula of areas would be length times width equals area

Area is the measurement of the inside of a shape/building/object the amount of space inside an object how much space is inside the shape

You can find the area of a shape using grid paper by counting the squares inside a shape/building/object to get the perimeter

You can also get the area of a shape by using the formula LxW=area

You have to put squared after the number

The formula of perimeter would be length plus width times two

Perimeter is the measurement of the outside of a shape/building the amount of space around a shape/building/object how much space is around the border Perimeter is the outline of an object

You can find the perimeter of a shape on grid paper by counting the squares on the border to get the perimeter

You can also can the perimeter of a shape by using the formula Lx2+Wx2=Perimeter

You do not have to put squared after the number

Perimeter