New
New
Year 1
Counting forwards and backwards in 10s to 50
I can recite the decade number names from 0-50, going forwards and backwards, and notice the patterns in the count.
New
New
Year 1
Counting forwards and backwards in 10s to 50
I can recite the decade number names from 0-50, going forwards and backwards, and notice the patterns in the count.
Lesson details
Key learning points
- Decade numbers are used when counting forwards and backwards in tens.
- You can start counting in tens from any decade number.
- A 100 square can be used to help you count the decade numbers.
Common misconception
May confuse decade number names with teen numbers eg. thirteen, thirty.
Regular practice and identification and discussion of common errors with opportunity to correct them.
Keywords
Number names 10 to 50 - eg 'ten' for 10
Decade numbers - These are the multiples of ten which mark the tens boundary where the pattern of counting changes.
Practise counting to 100 and beyond in daily routines, including saying the number names, enumerating a quantity of objects and pointing to numerals. When counting in 10s, ask children to predict who will say a given number during a count.
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.
Which of these picture shows 10 objects?
![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%2Fv1690799158%2Fnjgomln1qzo8j3gqvzhf.png&w=1080&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%2Fv1689623162%2Fivvnkknxocrdzesmpemc.jpg&w=828&q=75)
Q2.
What number do the fingers represent?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1690301134%2Fi2kyjccstp6ukoeri7dp.png&w=640&q=75)
10
5
4
Q3.
Which number will come next when counting forwards?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328237%2Frft9y4lspzvnrd4uoasq.png&w=640&q=75)
7
5
Q4.
When counting these numbers backwards, which will you say first?
4
5
6
Q5.
Put these numbers in the order you would say when counting forwards.
Q6.
Put these numbers in the order you would say them when counting backwards.
Exit quiz
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6 Questions
Q1.
Which of the following is not a decade number?
50
30
Q2.
Andeep is counting forwards in tens. What is the next number he will say?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328236%2Fqmqdc9kxycbquknlvvoa.png&w=750&q=75)
20
40
Q3.
I want to count forwards in tens starting from 30. What is the next number I will say?
20
30
Q4.
Laura is counting backwards in tens. What mistake has been made?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1698328237%2Fpewdpoc3lcygrwbrsgxi.png&w=750&q=75)
She said the numbers in the wrong order.
She muddled up the teens and the decade numbers.
Q5.
Put these numbers in the order you would say when counting forwards in tens.
Q6.
Put these numbers in the order you would say when counting backwards in tens.
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