Counting forwards and backwards in 10s to 100
I can recite the decade number names from 0-100 in tens, going forwards and backwards, and notice the patterns in the count.
Counting forwards and backwards in 10s to 100
I can recite the decade number names from 0-100 in tens, going forwards and backwards, and notice the patterns in the count.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Decade numbers are used when counting forwards and backwards in tens.
- You can start counting from any decade number.
- When you count forwards, the numbers are greater than the starting number.
- When you count backwards, the numbers are smaller than the starting number.
Keywords
Number names 60 - 100 - e.g. "sixty" corresponding to 60
Common misconception
Confusion between teen and decade numbers, e.g. 19 and 90, leading to errors in counting 80, 90, 20
Regular identification and discussion of common errors with opportunities to correct them within this lesson can be replicated beyond it.
To help you plan your year 1 maths lesson on: Counting forwards and backwards in 10s to 100, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 1 maths lesson on: Counting forwards and backwards in 10s to 100, 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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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 1 maths lessons from the Counting in tens - decade numbers unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Starter quiz
6 Questions
Exit quiz
6 Questions





