Measuring Length — Answer Key
Part A: Sort the Words
Sort each word or number into the correct category box.
1. Sort each object into the correct group compared to a pencil.
Shorter Than a Pencil
eraserthumbpaperclip Longer Than a Pencil
school busbedcar A pencil is about 7 inches long. Objects shorter than 7 inches go in the first group, and objects longer than 7 inches go in the second group.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A ruler measures length in a straight line.
A ruler is a tool designed to measure length, which is the distance from one end to the other in a straight line.
2. There are 12 inches in one foot.
One foot equals 12 inches. This is a standard measurement conversion.
3. We use a ruler to measure length.
A ruler is the most common tool for measuring the length of objects.
4. A centimeter is a unit used to measure length.
A centimeter is a metric unit of length, used to measure how long or wide something is.
5. The unit shorter than a foot is an inch.
An inch is smaller than a foot. There are 12 inches in one foot.
Part C: True or False?
Read each statement. Circle True or False.
1. A centimeter is longer than an inch.
True False
A centimeter is shorter than an inch. One inch equals about 2.54 centimeters.
2. We use a ruler to measure length.
True False
A ruler is a standard tool used to measure the length of objects in inches or centimeters.
3. 12 inches equal 1 foot.
True False
There are exactly 12 inches in 1 foot. This is a basic measurement fact.
4. A school bus is shorter than an eraser.
True False
A school bus is much longer than an eraser. A school bus is about 35 feet long, while an eraser is only a few inches.