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What is given? Length of the ribbon : 4 m Length of the first part : 1m 5 cm

The length of the ribbon is 4 m.Mawi cut the ribbons into 3 parts. The length of first part is 1 m 5 cm. The length of the second parts is 85 cm. Calculate the length in cm, of the third part.

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What is given? Length of the ribbon : 4 m Length of the first part : 1m 5 cm

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  1. The length of the ribbon is 4 m.Mawi cut the ribbons into 3 parts. The length of first part is 1 m 5 cm. The length of the second parts is 85 cm. Calculate the length in cm, of the third part.

  2. The length of the ribbon is 4 m Mawi cut the ribbons into 3 parts. The length of first part is I m 5 cm. The length of the second parts is 85 cm. Calculate the length in cm, of the third part.

  3. What is given? Length of the ribbon : 4 m Length of the first part : 1m 5 cm Length of the second part : 85 cm What is asked for? Length of the third part in cm

  4. Convert the measurement given into cm 1 m = 100 cm 4 m = 400 cm 1m 5 cm = 105 cm

  5. 85cm ? 105 cm 400 cm

  6. What operation is needed ? Subtraction

  7. Solve 400 cm – 105 cm – 85 cm = • 0 0 cm 2 9 5 cm -1 0 5 cm - 8 5 cm 2 9 5 cm 2 1 0 cm 3 9 1

  8. Check 210 cm + 85 cm + 105 cm = 2 1 0 cm 2 9 5 cm + 8 5 cm + 1 0 5 cm 2 9 5 cm 4 0 0 cm 1 1

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