New
New
Year 1

Solve problems using a part-whole model to represent a whole partitioned into more than two parts

I can solve problems using a part-whole model to represent a whole partitioned into more than two parts.

New
New
Year 1

Solve problems using a part-whole model to represent a whole partitioned into more than two parts

I can solve problems using a part-whole model to represent a whole partitioned into more than two parts.

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Lesson details

Key learning points

  1. A whole group can be split into more than 2 parts and the parts may look different.
  2. Make up a story that represents partitioning into three or more parts.

Common misconception

Children may get confused between the parts and the whole.

Ask the children 'What does this number represent?' and encourage them to use the stem sentences to justify their answers.

Keywords

  • Whole - All of something. Complete.

  • Part - A piece of a whole.

  • Partition - To break up a whole into parts.

  • Part-whole model - A pictorial representation that shows the whole and its parts.

Use a variety of real life stories to go with the partitioning examples. Encourage children to make up their own stories to embed the learning.
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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6 Questions

Q1.
Is 5 the whole or a part?
An image in a quiz
whole
Correct answer: part
Q2.
Is 8 the whole or a part?
An image in a quiz
Correct answer: whole
part
Q3.
What is the whole?
An image in a quiz
1
2
3
Correct answer: 5
Q4.
What is the missing part?
An image in a quiz
Correct answer: 2
4
6
10
Q5.
Which part-whole model is showing Sofia’s counters correctly partitioned?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q6.
Which part-whole model is showing Jacob’s counters correctly partitioned?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz

6 Questions

Q1.
How many cubes are in the whole?
An image in a quiz
1
2
4
Correct answer: 7
Q2.
How many cubes are in the missing part?
An image in a quiz
Correct answer: 1
2
4
6
Q3.
Sofia has 5 counters, Lucas has 3 counters and Jacob has 2 counters. Which part-whole model is showing their counters?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Q4.
Sofia has 2 counters, Lucas has 2 counters and Jacob has 1 counter. Which part-whole model is showing their counters?
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
Q5.
The whole is 6. Sofia has 2 counters and Lucas has 2 counters. How many counters does Jacob have?
An image in a quiz
Correct answer: 2
3
4
6
Q6.
The whole is 8. Sofia has 5 counters and Lucas has 2 counters. How many counters does Jacob have?
An image in a quiz
Correct answer: 1
2
5
8