Skill 25E
Centimeters: Estimate and Measure

Without using a ruler - answer the following:
About how many centimeters long is the pencil?

about 3
centimeters long
about
8 centimeters
about
15 centimeters
Now use a centimeter ruler to measure the pencil. 
About how many centimeters long is the pencil?
about 3 centimeters long about 8 centimeters long about 15 centimeters long