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NCERT · Class 3 · Maths

Chapter 4: Long and Short

Practice each question, then open the answer or worked solution.

HOW MUCH IS A CENTIMETRE (cm)?

3 questions
Q1Written answer

Fill in the blanks

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Worked solution

The leaf is 4 centimetres long.

The wax colour is 7 centimetres long.

Now, look at a scale that you find in a geometry box. How many centimetres does it have? 15 cm

Q2Written answer

What are the little lines on the scale used for?

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Worked solution

The little lines on the scale are used to measure smaller objects with precision.

Q3Written answer

Look for things that are

(i) About 10 centimetres long

(ii) Between 10 and 20 centimetres long

(iii) Less than 1 cm long.

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Worked solution

(i) Mobile phone, comb, coffee mug.

(ii) Lunchbox, water bottles, ruler.

(iii) Ant, mosquito, termites, peas.