2nd Standard Maths | Unit 4: Standard Units of Measuring Length

2nd Standard Maths Term 1 | Unit 4: Standard Units of Measuring Length

2nd Maths: Term 1 Unit 4 - Measurement

Learning Outcomes for Measurement

Standard units of measuring length

Travel Through

Measuring length in a long jump ground

A teacher and students measuring long jump distances in a playground.

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).

A photo frame being measured in centimetres

Photo frame is measured in Centimetre.

A saree being measured in metres

Saree is measured in metre.

Practice

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

Practice exercise: Choose centimetre or metre for measuring different objects.

Learn

Measuring length

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

Measuring a comb, straw, pencil, and crayon with a ruler

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.

Practice writing the length of objects in centimetres.
Show Answers

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.