Teacher’s Note: Teacher can facilitate the children to discuss about the use of standard units of measurement.

__Standard units of measuring length__

__Travel Through__

**Keywords:** Centimetre, Metre, Scale

**Teacher’s Note:** Teacher can facilitate the children to discuss about the
use of standard units of measurement.

__Learn __

**Measuring by standard unit **

Objects
of greater length are measured in metre (m) and
objects of smaller length are measured in centimetre
(cm).

Photo
frame is measured in Centimetre.

Saree
is measured in metre.

__Practice__

Tick
(✔) the appropriate unit
to measure the following objects.

__Learn __

**Measuring length **

Let
us learn to measure the length of the objects using scale.

**Teacher’s Note:** Teacher should encourge children to count the centimetre.
The object can be kept at different value say 3cm or 5cm instead of 0 to ensure
the children count and right the length of the object.

__Practice __

Observe
the picture in previous page and write the length of the objects. One is done
for you.

Length of the comb is ** 12** cm.

Length of the straw is ** 10** cm.

Length of the pencil Is ** 14** cm.

Length of the crayon is ** 7** cm.

__Activity __

Fill in the boxes by measuring the length of the objects using
handspan, eraser and centimetre scale.

**Teacher’s Note:**

i. Teacher can make the students to measure various objects in
the surrounding by guessing and by actual measurement.

ii. Enable the students
to appreciate the need for standard tool for measuring length.

Tags : Measurement | Term 1 Chapter 4 | 2nd Maths , 2nd Maths : Term 1 Unit 4 : Measurement

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2nd Maths : Term 1 Unit 4 : Measurement : Standard units of measuring length | Measurement | Term 1 Chapter 4 | 2nd Maths

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