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Add and subtract mass | Year 3 Mathematics PDF Download
How to Add and Subtract Mass
- Adding Mass: When we add masses together, we combine the weights to find the total weight.
- Example: If we have 400g of oranges and 600g of apples, the total mass is 1000g, which is equal to 1kg.
- Subtracting Mass: When we subtract masses, we find the difference in weights between them.
- Example: If we have 600g of apples and 400g of oranges, the apples are 200g heavier than the oranges (600g - 400g = 200g).
Understanding Mass Addition with Kilograms and Grams
- The oranges weigh 400 grams and the apples weigh 600 grams. Together, their total weight is 1000 grams, which is equivalent to 1 kilogram.
- What is the difference in weight between the oranges and apples? The apples weigh 600 grams, and the oranges weigh 400 grams, resulting in a difference of 200 grams. The apples are 200 grams heavier than the oranges.
- The bananas weigh 650 grams, and the strawberries weigh 300 grams. Together, their combined weight is 950 grams.
- What is the difference in weight between the bananas and strawberries? The bananas weigh 650 grams, and the strawberries weigh 300 grams, resulting in a difference of 350 grams. The bananas are 350 grams heavier than the strawberries.
- The cheese weighs 1 kilogram, and the melon weighs 750 grams. When combining kilograms and grams, first add the kilograms, then add the grams. The total weight is 1 kilogram + 750 grams, which equals 1 kilogram 750 grams.
- The cheese weighs 2 kilograms and 800 grams, and the melon weighs 1 kilogram 700 grams. To find the total weight, add the kilograms separately and then the grams. Adding 2 kilograms + 1 kilogram equals 3 kilograms, and adding 800 grams + 700 grams equals 1 kilogram 500 grams (since 1000 grams equals 1 kilogram). Therefore, the total weight is 4 kilograms 500 grams.
Question for Add and subtract massTry yourself: What is the total weight of a watermelon weighing 2 kilograms and 500 grams combined with a pineapple weighing 1 kilogram and 300 grams?View Solution
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FAQs on Add and subtract mass - Year 3 Mathematics
| 1. How is mass added and subtracted in UK Schools? |  |
Ans. In UK Schools, mass is added and subtracted by using the appropriate units of measurement, such as grams or kilograms. Students are taught to convert between different units and perform calculations based on the given mass values.
| 2. What are some common examples of adding and subtracting mass in UK Schools? | |
Ans. Some common examples of adding and subtracting mass in UK Schools include measuring ingredients for a recipe, calculating the total weight of objects in a science experiment, and determining the difference in weight between two items.
| 3. What tools are used in UK Schools to help students with adding and subtracting mass? | |
Ans. In UK Schools, students use tools such as weighing scales, measuring cups, and balance beams to add and subtract mass accurately. These tools help students understand the concept of mass and practice their measurement skills.
| 4. How important is it for students to master adding and subtracting mass in UK Schools? | |
Ans. Mastering the skill of adding and subtracting mass is essential for students in UK Schools as it helps them develop a strong foundation in mathematics and science. This skill is also crucial for everyday tasks such as cooking, shopping, and understanding scientific concepts.
| 5. How can parents support their children in learning to add and subtract mass in UK Schools? | |
Ans. Parents can support their children in learning to add and subtract mass by providing opportunities for practical hands-on experiences, encouraging them to practice measurement skills at home, and discussing the importance of accurate measurements in everyday life.
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Nov 17, 2024 Last updated |
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