センチメートルとは？ 定義、測定、例、定規

What is a Centimeter? Definition, Measurement, Examples, Ruler Parents Explore by Grade Preschool (Age 2-5) Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Explore by Subject Math Program English Program More Programs Homeschool Program Summer Program Monthly Mash-up Helpful Links Parenting Blog Success Stories Support Also available on Educators Teach with Us For Teachers For Schools and Districts Data Protection Addendum Impact Success Stories Resources Lesson Plans Classroom Tools Teacher Blog Help & Support More Programs SpringBoard Summer Learning Our Library All By Grade Preschool Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 By Subject Math English By Topic Counting Addition Subtraction Multiplication Phonics Alphabet Vowels One stop for learning fun! Games, activities, lessons - it's all here! 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Converting Centimeters to Other Units of Measurement of Length Solved Examples on Centimeter Practice Problems on Centimeter Frequently Asked Questions on Centimeter What Is a Centimeter? A centimeter is a metric unit of measurement used for measuring the length of an object. It is written as cm. A meter has 100 centimeters. 10 millimeters make one centimeter. The centimeter can be written as cm. While calculating the surface area of an object, the unit of measurement becomes cm 2 . While measuring the volume of an object, the unit of measurement becomes cm 3 . The two standard tools of measurement are: Ruler Ruler : A ruler is the most common measurement tool in mathematics. It is used to measure small objects, for example, notebooks, pencils, and bottles. Most rulers come with two measurement metrics, centimeters and inches. Commonly there are 15 or 30 centimeters in a ruler. Meter Stick Meter stick : A meter stick is a measurement tool that measures one meter (hundred centimeters) and is used to measure things in meters and centimeters. Things like the length of a table or the width of a bag can be measured using a meter stick. You must be wondering how big is a centimeter? To give you an idea, here are some things that can be measured in centimeters: The waist size of a pair of trousers Length of the fish caught The radius of a car’s tires The distance between a person’s eyes The length of a pencil The length of a feather Relation to other standard units: Recommended Games Estimate Length in Meters or Centimeters Game Play How Many Centimeters Longer Game Play Measure Length in Centimeters Game Play Measure Lengths in Centimeters Game Play More Games Converting Centimeters to Other Units of Measurement of Length Solved Examples on Centimeter Example 1: Harper measures the growth of her plants for 5 weeks in millimeters. How tall is the plant in centimeters? Week 1 Week 2 Week 3 Week 4 Week 5 10 12 8 14 6 Solution: Total growth of plant in 5 weeks = (10 + 12 + 8 + 14 + 6) mm = 50 mm = 50 ÷ 10 cm (1 cm = 10 mm) = 5 cm Example 2: James is participating in the 50-meter dash. Each day, he runs the dash 4 times as he trains himself. How far does he run in centimeters? Solution: Total distance ran = 4 × 50 metre = 200 metre = 200 × 100 cm (100 cm = 1 m) = 20,000 cm So, James runs 20,000 cm as he trains himself. Example 3: Theodore measured a line drawn on a whiteboard. It is 400 millimeters long. How many centimeters is the line? Solution: 1 cm = 10 mm 400 mm = 40 × 10 mm = 40 cm So, the line measures 40 cm. Example 4: Elijah has to take his dog for a walk to the garden, which is 32.80 feet from his house. How many centimeters is the garden from the house? How many meters is the garden from the house? Solution: 1 cm = 0.0328 feet 32.80 feet = 32.80 ÷ 0.0328 cm = 1000 cm 1 cm = $\frac{1}{100}$ m 1,000 cm = $\frac{1,000}{100}$ m = 10 m Practice Problems on Centimeter What is a Centimeter - Definition With Examples Attend this quiz & test your knowledge. 1 Henry has two strings. The first string is 40 cm long and the second string is 600 mm long. How long are the two strings together 20 cm 60 cm 100 cm 640 cm Correct Incorrect Correct answer is: 100 cm Length of the first string = 40 cm Length of the second string = 600 mm = 60 cm Total length of the two strings = 40 cm + 60 cm = 100 cm 2 Ava has 5 m of lace. She uses 325 cm of lace for her dress. How much lace is left in centimeters? 200 cm 175 cm 150 cm 125 cm Correct Incorrect Correct answer is: 175 cm Length of the lace Ava has = 5 m = 5 × 100 cm = 500 cm Lace used for her dress = 325 cm Lace left = (500 – 325) cm = 175 cm 3 200 cm = ______________ yard 2 20 0.2 0.02 Correct Incorrect Correct answer is: 2 1 cm = 0.01 yard 200 cm = 200 × 0.01 yard = 2 yard 4 0.05 km = ___________ cm 50 500 5,000 50,000 Correct Incorrect Correct answer is: 5,000 1 km = 1000 m = 1000× 100 cm = 1,00,000 cm 0.05 km = 0.05 × 1,00,000 cm = 5000 cm Frequently Asked Questions on Centimeter What is the centimeter used to measure? A centimeter is a metric unit used for measuring the length of an object. It is written as cm. What is a square centimeter? A square centimeter unit is used to measure the surface area of an object. What is a cubic centimeter? A cubic centimeter is used to measure the volume of an object. What is the abbreviation of centimeter? The abbreviation used for centimeter is cm. Are there smaller units than centimeters? Yes, the smaller units than centimeters are millimeters, micrometers, and nanometers. What is 10 cm called? 10 cm is equal to 1 decimeter. Deci means one-tenth and so, decimetre is one-tenth of a meter. 1 meter = 100 cm One-tenth of meter = one-tenth of 100 cm which is 10 cm Fun Facts 1. The word “centimeter” is a combination of the Latin word centum , which means hundred, and the French word mètre . 2. The word “centimeter” was first coined in the year 1801 and has be