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Explore the counting sequence for counting to 100 and beyond

Lesson details

Learning outcome

I can explore the counting sequence for counting to 100 and beyond.

Key learning points

  1. There is set counting sequence for counting to 100 and beyond.
  2. The patterns in the numbers make counting to 100 and beyond easier.
  3. The tens digit in a two-digit number indicates which decade it belongs to.
  4. The ones digit in two-digit number follows the pattern 1, 2, 3, 4, 5, 6, 7, 8, 9
  5. We can count the numbers in two ways. This is called dual counting.

Keywords

  • Decade numbers - A set of ten numbers, all beginning with the same number of tens.

  • Digit - A single symbol used to make a numeral

  • Dual counting - Counting the same set of numbers in two different ways.

Common misconception

Children may think counting stops at 100 or the regularity of the pattern does not extend past 100

Count beyond 100 when rote counting, trailing off after 103 or 104 and discussing what would be next to make explicit that numbers do not 'end' at 10. Show numbers past 100 on equipment used.

Teacher tip

It is important to incorporate counting into daily routines. Rote counting allows children to become familiar with patterns, and counting whilst pointing to numerals teaches children to associate the number names with the digits that represent them.

Licence

This content is © Oak National Academy Limited (2025), 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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Prior knowledge starter quiz

6 Questions

Q1.
Which of these rows from the one hundred square should come first when counting forwards to 100?

An image in a quiz
the row of eighties numbers
Correct answer: the row of forties numbers
the row of sixties numbers

Q2.
Sort these numbers in the order you would say when counting forwards.

1 - 64
2 - 65
3 - 66
4 - 67

Q3.
Andeep is counting backwards in ones. What is the next number he will say?

An image in a quiz
Correct Answer: 50

Q4.
Laura is counting forwards in ones on her Gattegno chart. Which number has she tapped?

An image in a quiz
Correct Answer: 71

Q5.
Which of these numbers has 8 tens?

Correct answer: 87
78
38

Q6.
Numbers can be said in different ways. Match the numbers that are the same.

Correct Answer:46,4 tens 6

4 tens 6

Correct Answer:39,3 tens 9

3 tens 9

Correct Answer:93,9 tens 3

9 tens 3

Correct Answer:64,6 tens 4

6 tens 4

6 Questions

Q1.
Starting with the smallest, put these decades in order

1 - the twenties
2 - the fifties
3 - the nineties

Q2.
Which decade does the number 58 belong to?

Correct answer: the fifties
the eighties

Q3.
Sort these numbers in the order you would say them when counting backwards. Use numbers to show the correct order.

1 - 99
2 - 98
3 - 97
4 - 96

Q4.
Fill in the missing number. 83 is the same as 8 tens

Correct Answer: 3

Q5.
Andeep is counting forwards from 94. What is the next multiple of ten he will say?

Correct Answer: 100

Q6.
When I count back from 70, each number will have tens.

Correct Answer: 6, 6 tens

To help you plan your 2 maths lesson on: Explore the counting sequence for counting to 100 and beyond, download all teaching resources for free and adapt to suit your pupils' needs...