Measuring, Comparing and Estimating Length

Front

What is length?

Back

Length is a measure of how long something is from one end to the other.

Front

What tool do we use to measure length?

Back

We use a ruler to measure length.

Front

Which unit is best for measuring the length of a pencil?

Back

Centimeters (cm) are best for measuring the length of a pencil.

Front

What is the tallest object?

Back

The tallest object is the one with the greatest height.

Front

If Rashid is 86 cm tall and Ali is 96 cm tall, who is taller?

Back

Ali is taller.

Front

What is the length of an object measured in?

Back

Length is measured in units such as centimeters (cm), meters (m), inches (in), or feet (ft).

Front

What is the best unit for measuring a book's height?

Back

Inches (in) or centimeters (cm) are good units for measuring a book's height.

Front

How do you compare lengths of two objects?

Back

You can compare lengths by measuring both objects and seeing which one has a greater measurement.

Front

What does it mean to estimate length?

Back

To estimate length means to make a good guess about how long something is without measuring it exactly.

Front

If a pencil is 9 cm long, how long is it in millimeters?

Back

It is 90 mm long because 1 cm equals 10 mm.