Standard Mathematics Primary 3 Length and Mass

A piece of ribbon is 3 m 45 cm long. What is the length of the ribbon in centimetres?

A 305 cm
B 345 cm
C 3045 cm
D 350 cm
Show Worked Solution

Worked Solution

Step 1: Recall the conversion: 1 m = 100 cm. Step 2: Convert the metres part. 3 m = 3 × 100 = 300 cm Step 3: Add the centimetres part. 300 cm + 45 cm = 345 cm Answer: The ribbon is 345 cm long.

Correct answer: 345 cm

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