Measurement and units (T1 W6)
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Measurement is the process of determining the size, length, or amount of something. In our daily lives, we measure things like how tall we are, how long a pencil is, or how much water is in a bottle. We use different units to measure these things, such as centimeters for length or liters for volume. Today, we will learn about some common units of measurement and how to use them.
Let’s say we want to measure the length of a desk. We can use a ruler, which is marked in centimeters. If the desk is 120 centimeters long, we can write this as: Length of desk = 120 cm. Remember, when measuring, always start from the '0' mark on the ruler to get an accurate measurement.
Now, let’s practice measuring some objects around the classroom. I will give you a ruler, and you will measure the length of your pencil and the width of your desk. Write down your measurements in centimeters. After you finish, we will share our measurements and see who has the longest pencil or the widest desk!
Complete the measurement worksheet provided. You will find different objects listed, and you need to measure each one using a ruler. Write down your answers in centimeters. After you finish, check your answers with a partner and discuss any differences you find.
Answer: Centimeters
Pencils are typically measured in centimeters because they are small objects.
Answer: Ruler
A ruler is specifically designed to measure length.
Answer: Length of desk = 150 cm
This shows the measurement clearly with the unit.
Answer: 100
There are 100 centimeters in a meter.
Answer: Measurement
Measurement is the term used for determining the length or size of an object.
Answer: Liters
Liters are used to measure the volume of liquids.
Answer: The book is 25 centimeters wide
This indicates the width of the book in centimeters.
Answer: To get an accurate measurement.
Starting from '0' ensures that you measure the full length of the object.