To measure something, we should start \(\underline{\quad\quad\quad}.\)
Other than to measure length, centimetre is also the measurement unit for mass.
True or false?
The image above shows a \(15\text{ cm}\) ruler. Each graduation is \(\underline{\quad\quad\quad}\).
The length of the pencil A is \(10\text{ cm}\).
Estimate the length of pencil B.
What is the length of the nail?
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