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# Measuring length using uniform non standard tools

Teacher’s Note: Teacher can guide the students to know the difference in measurements observed by measuring footspan (non uniform non standard) and a stick (uniform non standard).

Measuring length using uniform non standard tools

Travel Through

Measuring length in a long jump ground Key words: Length

Teacher’s Note: Teacher can guide the students to know the difference in measurements observed by measuring footspan (non uniform non standard) and a stick (uniform non standard).

Learn How many times of this eraser’s length will be equal to the length of this pencil?

I guess it will be 5 times.

My guess is 3 times.

Ok, Let us measure and find.

Length of the pencil is four times the length of the eraser.

Oh! My guess is more.

My guess is less.

Teacher’s Note: Encourage the students to guess the measurement and verify it by actually measuring them. Try to make the guess close to actual measure by providing various opportunities.

Practice

Observe the measuring tool, guess and write the length of the real object by guessing. Then, use the measuring tool and write the measured value. Teacher’s Note: Teacher can make the students to measure various objects in the surrounding by guessing and by actual measurement using non standard tools.

Try This

Colour the squares to match the length of the objects. Count the coloured squares and write the count inside the circle. Observe the above table and answer the following questions.

1. Which two objects have the same length?

2. Which is the longest object?

3. What is the total length of the pencil and crayon?

4. Is the pencil box longer than the pencil? If yes, by how many squares?

5. Which is the shortest object?

Think Like A Mathematician

Which among the given tools would be appropriate to measure the brim of the round table? 