New
New
Year 1

Partition the numbers 6 to 10 in different ways

I can partition the numbers 6 to 10 into two parts.

New
New
Year 1

Partition the numbers 6 to 10 in different ways

I can partition the numbers 6 to 10 into two parts.

Lesson details

Key learning points

  1. Each of the numbers six to ten can be partitioned into two parts in different ways.
  2. A part-part-whole model or a bar model can be used to represent the whole and the parts.
  3. If we know one part we can find the other part.
  4. Knowing about odd and even parts means you know if the missing part is odd or even.

Common misconception

Pupils are not yet fluent in number pairs and partitions of numbers 6 to 10 and so rely on counting to find missing parts.

Develop subitising skills so that pupils are able to recognise small partitions instantly. Encourage choral repetition of stem sentences emphasising wholes and parts.

Keywords

  • Partition - To split a whole up into parts.

  • Whole - All of something. Complete.

  • Part - A piece or section of a whole.

Use real objects to partition numbers before moving to the abstract. Encourage systematic thinking, to find all possible combinations quicker and check that none have been missed. Use fingers to check the partitions of 10 Play the Up Down game where children say the number of fingers up or down.
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).

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6 Questions

Q1.
Look at the bar model. What is the whole?
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Correct Answer: 9
Q2.
Look at the bar model. What is the missing part?
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Correct Answer: 1
Q3.
Which bar model represents the counters?
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An image in a quiz
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Correct Answer: An image in a quiz
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Q4.
Which set of counters will come next if we are ordering the partitions of 9 systematically?
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Correct Answer: An image in a quiz
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Q5.
Lucas is going to clap 7 times. He has already clapped 2 times. How many more claps does he need to do?
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Correct Answer: 5
Q6.
Match the whole to the correct two parts.
Correct Answer:The whole is 5,One part is 2 and the other part is 3

One part is 2 and the other part is 3

Correct Answer:The whole is 7,One part is 2 and the other part is 5

One part is 2 and the other part is 5

Correct Answer:The whole is 8,One part is 3 and the other part is 5

One part is 3 and the other part is 5

6 Questions

Q1.
What number has been partitioned and shown in the bar model?
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Correct Answer: 10
Q2.
What is the missing part in the part-part-whole model?
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Correct Answer: 6
Q3.
Izzy is going to jump 10 times across the playground. She has jumped 8 times. How many more jumps does she need to do?
Correct Answer: 2, 2 jumps
Q4.
Which part-part-whole model will come next if we are being systematic?
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Correct Answer: An image in a quiz
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Q5.
Look at the part-part-whole model. What is the missing part?
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Correct Answer: 1
Q6.
What could the missing whole and part be? Which of these are correct?
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The whole is 6 and the missing part is 1
Correct answer: The whole is 7 and the missing part is 1
Correct answer: The whole is 9 and the missing part is 3
The whole is 10 and the missing part is 3

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