New
New
Year 1
Counting forwards and backwards in 10s to 100
I can recite the decade number names from 0-100 in tens, going forwards and backwards, and notice the patterns in the count.
New
New
Year 1
Counting forwards and backwards in 10s to 100
I can recite the decade number names from 0-100 in tens, going forwards and backwards, and notice the patterns in the count.
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Lesson details
Key learning points
- Decade numbers are used when counting forwards and backwards in tens.
- You can start counting from any decade number.
- When you count forwards, the numbers are greater than the starting number.
- When you count backwards, the numbers are smaller than the starting number.
Keywords
Number names 60 - 100 - e.g. "sixty" corresponding to 60
Common misconception
Confusion between teen and decade numbers, e.g. 19 and 90, leading to errors in counting 80, 90, 20
Regular identification and discussion of common errors with opportunities to correct them within this lesson can be replicated beyond it.
This lesson involves oral rehearsal and interaction with key representations. As before, the slides simply act to aid lesson design and delivery. Highlight difference between teens and decade numbers by emphasising the '-ty' sound at the end of each number when counting.
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.
Laura is counting forwards in tens from 20. Which are the next numbers she will say?
10, 0.
20, 40, 50.
Q2.
I am counting backwards in tens from 40. Which number will I say next?
50
20
Q3.
Which of these counting sequences is correct when counting forwards in tens?
10, 20, 30, 50.
50, 40, 30.
Q4.
Which of these counting sequences is correct when counting backwards in tens?
50, 40, 30, 10, 0.
50, 40, 20, 10.
Q5.
Put these decade numbers in the order you would say them when counting forwards.
Q6.
Put these decade numbers in the order you would say them when counting backwards.
Exit quiz
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6 Questions
Q1.
I am counting forwards in tens from 90. What is the next number I will say?
20
18
Q2.
I am counting forwards in tens to 100. Which of the following is correct?
Andeep
Jacob
Q3.
I am counting backwards in tens from 60. What is the next number I will say?
15
70
Q4.
When counting backwards in tens, which of the following is correct?
Izzy
Sam
Q5.
Put the decade numbers in the order you would say them if counting forwards.
Q6.
Put the decade numbers in the correct order if you were counting them backwards.
Additional material
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