Count efficiently in groups of ten
I can count in groups of ten and identify how many groups there are.
Count efficiently in groups of ten
I can count in groups of ten and identify how many groups there are.
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Lesson details
Key learning points
- Objects can be put into groups of 10 to make them easier to count.
- Groups of 10 can be called tens.
- It is more efficient to skip count in tens than to count in ones
- Counting back in tens from the total amount can be used to check that the count was accurate.
Keywords
Groups of 10 - Groups of ten objects that can be counted in tens.
Tens - Another name for the multiples of ten.
Decade numbers - These are the multiples of ten which mark the tens boundary where the pattern of counting changes.
Altogether - The amount in the whole set or group.
Efficiently - Not wasting time or effort. An efficient strategy is one we can carry out easily.
Common misconception
Children may confuse the number of groups with the amount altogether, for example, they may count 4 groups of 10 as 4 not 40 They may also confuse the number of groups with the group size.
Draw a ring around each group of 10 whilst using the stem sentence to help describe what you are seeing as you identify each group.
To help you plan your year 1 maths lesson on: Count efficiently in groups of ten, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 1 maths lesson on: Count efficiently in groups of ten, 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 Unitising and coin recognition - counting in 2s, 5s and 10s 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
100
10
70
