Measurement and units (T3 W2)
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Measurement is the process of determining the size, length, or amount of something. In mathematics, we often use standard units such as meters for length, liters for volume, and grams for mass. It is essential to understand how to convert between different units, such as converting centimeters to meters or liters to milliliters, to solve problems accurately.
Let's convert 2500 milliliters to liters. We know that 1 liter equals 1000 milliliters. To convert, we divide 2500 by 1000. 2500 mL ÷ 1000 = 2.5 L. Thus, 2500 milliliters is equivalent to 2.5 liters.
Now, let's practice converting units together. Convert 1500 grams to kilograms. Remember, 1 kilogram equals 1000 grams. To convert, we divide 1500 by 1000. 1500 g ÷ 1000 = 1.5 kg. So, 1500 grams is equal to 1.5 kilograms. Let's try another one: Convert 5.5 meters to centimeters.
Now it's your turn! Solve the following problems on your own: 1. Convert 3000 milliliters to liters. 2. If a pencil is 15 cm long, how many millimeters is that? 3. A bottle holds 2 liters of water. How many milliliters is that? 4. If a piece of fabric is 2.5 meters long, how many centimeters is that? Make sure to show your working clearly for each problem.
Answer: 1 liter
1000 milliliters is equal to 1 liter, as there are 1000 milliliters in a liter.
Answer: 2500 grams
Since 1 kilogram equals 1000 grams, 2.5 kilograms equals 2500 grams.
Answer: 0.75 liters
750 milliliters divided by 1000 equals 0.75 liters.
Answer: 300 cm
There are 100 centimeters in a meter, so 3 meters equals 300 centimeters.
Answer: 2200 millimeters
2.2 meters multiplied by 1000 equals 2200 millimeters.
Answer: Gram
Gram is a unit of mass, while liter is a unit of volume, meter is a unit of length, and Celsius is a unit of temperature.
Answer: 5000 grams
5 kilograms multiplied by 1000 equals 5000 grams.
Answer: 1500 mL
1.5 liters is equal to 1500 milliliters, as 1 liter equals 1000 milliliters.