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 measurement group.
Small — Measure in Inches
pencileraserbook Large — Measure in Feet
classroomhallwaygym Small objects like crayons and erasers are best measured in inches. Large objects like doors and tables are best measured in feet.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The longer unit between inches and feet is feet.
Feet is the longer unit. One foot equals 12 inches, so feet is used to measure larger objects.
2. A book is about 10 inches long.
A typical book is about 10 inches long, which is a reasonable length measured in inches.
3. 100 centimeters = 1 meter.
There are 100 centimeters in 1 meter. This is a key metric measurement conversion.
4. We estimate length before we measure.
Estimating means making a good guess about a measurement before using a tool to find the exact answer.
5. To compare lengths, we put objects in order from shortest to longest.
When comparing lengths, we arrange objects in order from shortest to longest to see which is bigger or smaller.
Part C: True or False?
Read each statement. Circle True or False.
1. 12 inches = 1 foot.
True False
There are exactly 12 inches in 1 foot. This is a standard measurement fact.
2. A meter is shorter than a centimeter.
True False
A meter is much longer than a centimeter. There are 100 centimeters in 1 meter.
3. We can estimate length before measuring.
True False
Estimating is making a reasonable guess about a measurement before using a tool to measure exactly.
4. A pencil is about 7 feet long.
True False
A pencil is about 7 inches long, not 7 feet. Seven feet is taller than most adults.