Count forwards and backwards within 3-digits
I can count forwards and backwards using 3-digit numbers.
Count forwards and backwards within 3-digits
I can count forwards and backwards using 3-digit numbers.
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Lesson details
Key learning points
- Place value helps us count on and back in 10s and 100s.
- Place value helps us to know which digits change as we cross the 100s or 10s boundaries.
- The 1s and 10s digits don’t change when you add a 100 to or subtract 100 from a 3-digit number.
Keywords
100s boundary - The 100s boundary is the point at which the numbers change into 100s numbers or from one set of hundreds to another.
Pattern - A pattern is a repeated set of numbers, shapes or objects.
Common misconception
Pupils may struggle to cross 100s boundaries when adding 10s.
Base ten blocks can help with this concept. It also helps if children's attention is drawn towards the patterns in the number system.
To help you plan your year 3 maths lesson on: Count forwards and backwards within 3-digits, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Count forwards and backwards within 3-digits, 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 2 maths lessons from the Representing 3-digit numbers, comparing and positioning on number lines unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Lesson video
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Starter quiz
6 Questions
53
77
31
Exit quiz
6 Questions
570
771
400
