Grade 2

Measuring length in centimetres

Use a ruler to measure small objects in centimetres and compare their lengths.

Category: Number Sense & Math Thinking 7 min Growing
Aa Tap Say Read

Place one end of the ruler at the edge of the object. Read the number at the other end. That is the length in cm.

Listen and learn

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M Picture card
Sound card

My pencil is 15 cm long. My eraser is 4 cm. Which is longer?

compare length

Compare the two numbers.

Example: The pencil is longer by 11 cm.

A Picture card
Sound card

A ribbon is 20 cm. You cut off 8 cm. How long is the remaining piece?

subtraction of length

Subtract 8 from 20.

Example: The remaining piece is 12 cm.

Y Picture card
Sound card

Your thumb is about 2 cm wide. About how many thumb-widths fit across a 10 cm ruler?

estimation

Divide 10 by 2.

Example: About 5 thumb-widths.

W Picture card
Sound card

Which is taller: a 30 cm plant or a 25 cm plant?

compare height

Compare the two measurements.

Example: The 30 cm plant is taller.

Try a worksheet next

These printables match this lesson's stage and theme, so a child can move from screen practice to calm hands-on work.

Grade 2

Money and rupees

A Grade 2 math worksheet using small rupee amounts for total, compare, and choice questions.

Number Sense & Math Thinking Printable

Open worksheet

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