Predicting the size of a product
I can explain how to use the size of one number in a multiplication to predict the size of the product.
Predicting the size of a product
I can explain how to use the size of one number in a multiplication to predict the size of the product.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- If one factor is made ___ times the size and the other factor remains the same, the product will be ___ times the size.
- When a number is multiplied by a value less than one, the product is smaller than the original number.
- When a number is multiplied by a value greater than one, the product is greater than the original number.
Keywords
Product - The product is the result of two or more numbers multiplied together.
Factor - Factors are integers that are multiplied together to get a product.
Common misconception
Children may think that multiplication always makes things larger. Children may scale incorrectly.
When a number is multiplied by a value less than 1, the product is smaller than the original number - multiplication doesn't always make things larger. Compare numbers: if one factor is made ___ times the size, the product will be ___ times the size.
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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Starter quiz
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7
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5
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