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.
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.
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.
Allow lots of opportunities to construct and deconstruct groups of ten in the lesson. Find opportunities throughout the day where children can be encouraged to make groups of ten to count things quickly eg. 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).
Video
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Starter quiz
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6 Questions
Q1.
How many cubes can you count in the picture?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328249%2Fhkluewugeg4ayvo31tjf.png&w=640&q=75)
10
8
Q2.
Which picture shows the same amount as this picture?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690800312%2Fh66c7olatgqdlqptu5vd.png&w=750&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690799145%2Fz4hmnw75lxp5lxnyrhim.png&w=828&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690799168%2Fpdehbf7tjgbh0xw1mbjt.png&w=1080&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690301130%2Fypy5carzorxmocsdoqf0.png&w=640&q=75)
Q3.
Which picture has more objects than this picture?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690799145%2Fz4hmnw75lxp5lxnyrhim.png&w=828&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690800312%2Fh66c7olatgqdlqptu5vd.png&w=750&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690799168%2Fpdehbf7tjgbh0xw1mbjt.png&w=1080&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1696266672%2Ffzuanqzb34pananb3u2l.png&w=828&q=75)
Q4.
Which set of cubes does not show the same amount as this set?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328247%2Fcdzikzzf0lkgvpp832f7.png&w=256&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328246%2Ft713pfmulcux6rsgty0h.png&w=384&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328245%2Frbtl8ikjvoz3zc1ifndn.png&w=256&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328248%2Fxypkuk977uysyivilkb9.png&w=256&q=75)
Q5.
Which picture shows 3 groups of cakes?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328246%2Fczzvn1cqcusubrjybpfb.png&w=1080&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328247%2Fl2qjjtlrqpj9kid6xg2z.png&w=640&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328247%2Fc61izzdh1canjyqvcfaf.png&w=1920&q=75)
Q6.
Count how many groups of bricks you can see in this picture.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328248%2Fmvqgad3tewtdnln4q14m.png&w=1920&q=75)
10
5
Exit quiz
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6 Questions
Q1.
How many groups of bricks can you see?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328241%2Fcoqyk3vwxki72dcne2t2.png&w=1920&q=75)
2
8
Q2.
Which of these shows 1 group of 10?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328242%2Fhxlsjrhauskdpptlbggj.png&w=256&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328242%2Frdgliezp0hqxctezljuk.png&w=640&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328241%2Fih2limxb2gw3rntnnkjv.png&w=1920&q=75)
Q3.
Complete the stem sentence. This is not 1 group of 10 because __________
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328242%2Fn3ygi6wlywcpeh5oull3.png&w=384&q=75)
it has 10 objects.
Q4.
How many groups of 10 can you see?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328243%2Fhkqrschcdauyq9wn6po5.png&w=1080&q=75)
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?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328243%2Frsu0em8cclsnuzlbnxzz.png&w=1080&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328243%2Fqztzmwsytg8ncd7lkbok.png&w=750&q=75)
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328244%2Fnmomo6ujfreimxwhqww7.png&w=640&q=75)
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