Measurement of Length

We can measure objects by comparing them with other objects like clips, ribbons, pencils or using our body parts for example handspan, foot, cubit and stride. These are non-standard units of length.

$Non-standard Units of Length$

We see many things around us. Some are short in length like pencil, crayon or a toothbrush. Some objects are long like ladder, tree or buildings.

We have learnt to measure objects by using body parts like fingers, handspan, cubit and footspan. We can also compare length of two objects by using the body parts.

We can also use different objects like clips, pencils, ribbons to measure the length.

The length of the pencil is about 8 paper clips.

$Length of the Pencil$

The length of the pencil box is about 9 clips.

$Length of the Pencil Box$

Questions and Answers on Measurement of Length:

1. Which part of your body will you use to measure the following objects?

(i) Book

(ii) Table

(iii) Classroom

2. Look at the picture and fill in the blanks:

$Length of the Blackboard$

(i) The length of the blackboard is about ………… handspans.

$Length of the Mattresses$

(ii) The length of matrasses is about …………footspan.

$Length of the Book$

2. (i) 7

(ii) 10

(iii) 6

Questions and Answers on Non-Standard Unit of Length:

3. Look at the picture and fill in the blanks:

(i) The ribbon is about ………… clips long.	$Length of a Ribbon$
(ii) The pencil is about ………… clips long.	$Measurement of a Pencil$
(iii) The toothbrush is about ………… clips long.	$Length of a Toothbrush$
(iv) The book is about ………… clips long.	$Measurement of a Book$

Answer:

3. (i) 8

(ii) 4

(iii) 6

(iv) 3

4. Look at the picture and fill in the blanks:

(i)	$Length of the Table$	The length of the table is about ………… cubits.
(ii)	$Length of a Carpet$	The length of the carpet is about ………… footspans.
(iii)	$Length of a Tile$	The length of the tile in the classroom is about ………… footspans.

Answer:

4. (i) 2

(ii) 4

(iii) 2

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