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Multiplication as scaling | Year 4 Mathematics PDF Download

What is Scaling?

Scaling involves applying information about a certain quantity to a smaller or larger scale. It's a concept commonly used in various everyday scenarios, often without us even realizing it.

Examples

Example 1: Ellie and Bobby were at the park. Ellie saw 5 flowers but Bobby saw 5 times as many. How many flowers did Bobby see?
Sol:
You can use a bar model to help you:
Multiplication as scaling | Year 4 Mathematics

The bar model now clearly shows how many flowers each child saw. Ellie saw 5 and Bobby saw 5 times as many, or 5 lots of 5.
5 x 5 = 25
Bobby saw 25 flowers.

Example 2: You are having a party with 30 people and you want everyone to have a cupcake.
Cupcakes are only sold in packets of 10. What do you do?
Multiplication as scaling | Year 4 MathematicsSol: 
You could apply your knowledge of the 10 times table:
3 x 10 = 30
You need 3 packets of cupcakes to have enough for 30 people.

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FAQs on Multiplication as scaling - Year 4 Mathematics

1. What is the significance of dividing decimals by 10, 100, and 1,000 in the context of scaling in UK schools?
Ans. Dividing decimals by 10, 100, and 1,000 is important in the context of scaling in UK schools as it allows for easy conversion between different units of measurement. This process helps students understand the concept of scaling and how values change when multiplied or divided by powers of 10.
2. How does multiplication play a role in scaling in UK schools?
Ans. In UK schools, multiplication is used as a scaling factor to increase or decrease quantities. By multiplying or dividing by 10, 100, or 1,000, students can scale values up or down to make calculations easier and more manageable.
3. Why is it essential for students to understand the concept of dividing decimals by 10, 100, and 1,000 in the UK school curriculum?
Ans. Understanding how to divide decimals by 10, 100, and 1,000 is crucial for students in the UK school curriculum as it helps them develop a strong foundation in mathematical operations. This knowledge is essential for real-life applications and problem-solving situations.
4. How can students apply the concept of dividing decimals by 10, 100, and 1,000 in practical scenarios within the UK school system?
Ans. Students can apply the concept of dividing decimals by 10, 100, and 1,000 in various practical scenarios in the UK school system, such as converting units of measurement, calculating percentages, and solving real-world problems involving scaling and proportions.
5. What are some common challenges that students face when dividing decimals by 10, 100, and 1,000 in the UK school setting, and how can they overcome them?
Ans. Some common challenges students face when dividing decimals by 10, 100, and 1,000 in the UK school setting include understanding the placement of decimal points and performing accurate calculations. To overcome these challenges, students can practice regularly, seek help from teachers or peers, and use visual aids or manipulatives to enhance their understanding.
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