Comparing numbers to 20
You can compare groups using the the language 'more than', 'less than', 'fewer than' and 'the same as'.
Comparing numbers to 20
You can compare groups using the the language 'more than', 'less than', 'fewer than' and 'the same as'.
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Lesson details
Key learning points
- Compare collections of up to 20 items.
- Use comparative language of more, less and fewer.
- Introduce the idea of one more and one less.
- Know that sets of objects can be the same or equal.
Keywords
More than - A bigger set has more than a smaller set.
Less than - A smaller set has less than a larger set.
Fewer than - A smaller set has fewer than a larger set.
The same as - Sets can contain the same as each other having the same number of objects, actions or sounds.
Equal to - Sets can be equal to each other having the same number of objects, actions or sounds.
Common misconception
Linking one more or one less than a number to the number after or before in the count.
Use objects to model one more being added or one being removed to show one less or fewer.
To help you plan your year 1 maths lesson on: Comparing numbers to 20, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 1 maths lesson on: Comparing numbers to 20, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Explore more key stage 1 maths lessons from the Counting to and from 20 unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
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