New
New
Year 1
Composition of decade numbers to 100: making groups of 10
I can recognise and count groups of ten.
New
New
Year 1
Composition of decade numbers to 100: making groups of 10
I can recognise and count groups of ten.
Lesson details
Key learning points
- Objects can be put into groups of 10 to make them easier to count.
- You can recognise a group of 10 because when you separate them, there will be 10 objects.
- If there is not 10 in each group, they are not groups of 10.
- Groups of 10 can be called tens.
Keywords
Group - Objects that are gathered together into a set are said to be in a group.
Separate - When a group of objects are taken or split apart they have been separated.
Common misconception
Any group of objects can be counted in tens.
Identify groups that do and do not have 10 objects, drawing attention to the fact that colour, orientation and size are not relevant.
Allow opportunities to construct and deconstruct groups of 10 from objects in the environment in the lesson. Use the slides to simply aid lesson design and delivery. Find opportunities throughout the day to make groups of 10 to count things quickly e.g. when tidying away to check all are there.
Teacher tip
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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6 Questions
Q1.
How many cubes can you count in the picture?
10
8
Q2.
Which picture shows the same amount as this picture?
Q3.
Which picture has more objects than this picture?
Q4.
Which set of cubes does not show the same amount as this set?
Q5.
Which picture shows 3 groups of cakes?
Q6.
Count how many groups of bricks you can see in this picture.
10
5
Exit quiz
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6 Questions
Q1.
How many groups of bricks can you see?
2
8
Q2.
Which of these shows 1 group of 10?
Q3.
Complete the stem sentence. This is not 1 group of 10 because __________
it has 10 objects.
Q4.
How many groups of 10 can you see?
3
2
Q5.
Match the groups of tens to the number of tens they represent.
3 tens
10 tens
8 tens
1 ten
Q6.
Which picture represents 4 tens?
Additional material
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