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Grade 3 Science: Units of Length

This worksheet helps third-grade students understand and apply different units of length (centimeters, meters, inches, feet) through various exercises.

Grade 3 Science Units and MeasurementUnits of Length
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerCustomWord Bank

Standards

3-PS2-1

Topics

scienceunitslengthmeasurementgrade 3
8 sections · Free to use · Printable
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Units of Length Worksheet

Name:

Date:

Score:

Read each question carefully and choose the best answer or fill in the blank. Good luck!

1. Which unit would you use to measure the length of a pencil?

a

Meters

b

Centimeters

c

Kilometers

d

Liters

2. How many centimeters are in 1 meter?

a

10

b

100

c

1000

d

10000

3. A standard ruler usually measures up to 30  .

4. To measure the length of a classroom, you would most likely use  .

5. There are 12 inches in 1  .

6. An inch is longer than a foot.

T

True

F

False

7. A meter is roughly the length of a baseball bat.

T

True

F

False

8. Name two tools you can use to measure length.

9. Look at the ruler below. What is the length of the red bar in centimeters?

0 5 10 15 20 25 30 35 40 45 50

Use the words below to complete the sentences.

centimeter
meter
foot
inch

10. The length of your thumb is about one  .

11. A basketball hoop is usually 10   high.

12. A new crayon is approximately 10   long.