MILLIMETER
Definition Of Millimeter
A millimeter is a metric unit of length.
More About Millimeter
Millimeter is used for measuring very small objects.
Millimeter is abbreviated as mm.
10 millimeter (mm) = 1 centimeter (cm)
10 centimeter cm = 1 decimeter (dm)
10 decimeter (dm) = 1 meter (m)
1 dekameter (dam) = 10 meters (m)
1 hectometer (hm) = 10 dekameter (dam)
1 kilometer (km) = 10 hectometer (hm)
Examples of Millimeter
The value of each small division is 1 mm.
Video Examples: How Many Cubic Millimeters Are in a Milliliter? : Math Conversions
Solved Example on Millimeter
Ques: Measure the length of the strip to the nearest millimeter.
Choices:
A. 80 mm
B. 70 mm
C. 75 mm
D. 8 mm
Correct Answer: B
Solution:
Step 1: The scale shown for measuring the strip is a centimeter scale.
Step 2: Each division in the centimeter scale is 1 mm. [1 cm = 10 mm.]
Step 3: The strip in the given figure is measuring 7 cm.
Step 4: 7 cm = (7 × 1) cm = (7 × 10) mm = 70 mm [Convert cm to mm.]
Step 5: So, the length of the strip to the nearest millimeter is 70 mm.
Quick Summary
- A millimeter (mm) is a small unit of length.
- 10 millimeters equal 1 centimeter.
- Millimeters are used to measure small objects.
🍎 Teacher Insights
Use real-world examples to illustrate the size of a millimeter, such as the thickness of a coin or a fingernail. Provide hands-on activities where students measure objects in millimeters.🎓 Prerequisites
- Basic units of length (meter, centimeter)
- Counting
- Multiplication
Check Your Knowledge
Q1: How many millimeters are in 7 centimeters?
Q2: Which is larger: 1 millimeter or 1 centimeter?
Frequently Asked Questions
Q: How many millimeters are in a centimeter?
A: There are 10 millimeters in a centimeter.
Q: What is the abbreviation for millimeter?
A: The abbreviation for millimeter is mm.