Podcast
Questions and Answers
What is a similarity between multiplying and dividing measurements?
What is a similarity between multiplying and dividing measurements?
What happens to the measurement units when you multiply a measurement by a number?
What happens to the measurement units when you multiply a measurement by a number?
What should you do if you have a measurement that consists of both feet and inches and you need to divide?
What should you do if you have a measurement that consists of both feet and inches and you need to divide?
What is the result of dividing 6 inches by 3?
What is the result of dividing 6 inches by 3?
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What is the unit of the answer when dividing 70 miles by 2 hours?
What is the unit of the answer when dividing 70 miles by 2 hours?
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Why do you keep the measurement units as a fraction when finding the speed of a car?
Why do you keep the measurement units as a fraction when finding the speed of a car?
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What happens to the measurement units when dividing different measurement units?
What happens to the measurement units when dividing different measurement units?
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What is an example of multiplying two different measurement units?
What is an example of multiplying two different measurement units?
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Why do you convert measurement units to the same unit when adding and subtracting?
Why do you convert measurement units to the same unit when adding and subtracting?
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What happens to the units when you divide a measurement by a number?
What happens to the units when you divide a measurement by a number?
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Study Notes
Measurements Are Like Variables
- Measurements can be treated as variables when performing operations such as adding, subtracting, multiplying, and dividing.
- This is important in real-life problems that involve measurements, such as in restaurant management.
Adding Measurements
- To add measurements, ensure that the measurement units are the same.
- If the units are the same, add the numbers together, e.g., 3 feet + 4 feet = 7 feet.
- If the units are different, convert one unit to match the other before adding, e.g., 3 feet + 36 inches = 3 feet + 3 feet = 6 feet.
Subtracting Measurements
- To subtract measurements, ensure that the measurement units are the same.
- If the units are the same, subtract the numbers together, e.g., 10 feet - 7 feet = 3 feet.
- If the units are different, convert one unit to match the other before subtracting, e.g., 10 feet - 120 inches = 10 feet - 10 feet = 0 feet.
Multiplying Measurements
- To multiply measurements, ensure that the measurement units are in the same unit or can be converted to the same unit.
- Multiply the numbers together, e.g., 7.5 feet * 10 feet = 75 square feet.
- The resulting unit will be the product of the original units, e.g., feet * feet = square feet.
- Unlike addition and subtraction, different measurement units can be multiplied together.
Dividing Measurements
- To divide measurements, ensure that the measurement units are in the same unit or can be converted to the same unit.
- Divide the numbers together, e.g., 6 inches ÷ 3 = 2 inches.
- The resulting unit will stay the same if dividing by a number, but may change if dividing by a different unit, e.g., 70 miles ÷ 2 hours = 35 miles per hour.
- Unlike addition and subtraction, different measurement units can be divided together.
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Description
Learn how to perform operations like addition and multiplication on measurements, a crucial skill in real-life problems, such as interior design and more.
