Estimate length

Length

6.1

Length

The diagram below shows a 15 centimeter ruler.

15 centimeter ruler

The length of each incision is 1 centimeter.
The centimeter unit is used to express the size of a short object. The symbol for centimeters is cm.

	Examples
	40 centimeters is written as 40 cm
	56 centimeters is written as 56 cm

The diagram below shows a 1 meter ruler.

1 meter ruler

The length of each notch on a 1 meter ruler is also 1 centimeter. One meter equals 100 centimeters.
The meter unit is used to express the length of an object. The symbol for meter is m.

	Examples
	3 meters is written as 3 m
	18 meters is written as18 m

Length

6.1

Length

The diagram below shows a 15 centimeter ruler.

15 centimeter ruler

The length of each incision is 1 centimeter.
The centimeter unit is used to express the size of a short object. The symbol for centimeters is cm.

	Examples
	40 centimeters is written as 40 cm
	56 centimeters is written as 56 cm

The diagram below shows a 1 meter ruler.

1 meter ruler

The length of each notch on a 1 meter ruler is also 1 centimeter. One meter equals 100 centimeters.
The meter unit is used to express the length of an object. The symbol for meter is m.

	Examples
	3 meters is written as 3 m
	18 meters is written as18 m