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Question

Half and Quarter of a Metre
Using your metre scale, cut a string of one metre.
• On this string, mark the length 12 metre, 14 metre and 34 metre.
• Using your string, draw a line of length 12 metre on the floor.
How many centimetres long is the line? ___________
Remember, 1 metre = 100 cm
So
12 metre = ....... cm
14 metre = ....... cm
34 metre = ....... cm
Can you see that when we add 12 and 14 we get 34 ?

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Solution

1 m = 100 cm
Line of 12 m on the floor = 100 cm ÷ 2 = 50 cm
So, a line of 12 m on the floor is 50 cm long.
12 m = 100 cm ÷ 2 = 50 cm

14 m = 100 cm ÷ 4 = 25 cm

34 m = 25 cm × 3 = 75 cm

Disclaimer: Students are advised to do the activity by themselves.

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