New
New
Year 3

Identify equal parts when they do not look the same

I can identify equal parts when they do not look the same.

New
New
Year 3

Identify equal parts when they do not look the same

I can identify equal parts when they do not look the same.

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Lesson details

Key learning points

  1. Equal parts do not have to look the same.
  2. Equal parts of a whole can be different shapes.
  3. A whole can be made from equal parts that are different shapes.

Common misconception

Some children may not be fully aware that two shapes can have the same name but be differently shapes. For example, there are several different types of triangle.

Maintain a real focus on 'What's the same and what's different?'. Don't shy away from any questions or misconceptions about categories of shape, use them to further any learning.

Keywords

  • Whole - The whole is all the parts or everything, the total amount.

  • Part - A part is some of the whole.

  • Equal - We say that two or more things are equal if they have the same quantity or value.

  • Unequal - We say that two or more things are unequal if they do not have the same quantity or value.

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.
What is the missing whole in this bar model?
An image in a quiz
Correct Answer: 300
Q2.
Which circle has been split into equal parts?
Circle 1
Correct answer: Circle 2
Q3.
Which strip of paper is being described? It has been folded into 4 equal groups.
Strip 1
Correct answer: Strip 2
Strip 3
Q4.
Look at the image. Which sentence is correct?
An image in a quiz
There ae 3 equal groups.
Correct answer: There are 3 unequal groups.
Q5.
Look at the sequence of months. Which season is missing?
An image in a quiz
Spring
Summer
Autumn
Correct answer: Winter
Q6.
Which flag is made up of only equal parts?
Correct answer: Flag of Peru
Flag of Costa Rica
Flag of Jamaica
Correct answer: Flag of France

6 Questions

Q1.
Which of the statements describe the whole and the part of this 2D shape?
An image in a quiz
The whole has been split into unequal parts
Correct answer: The whole has been split into equal parts that are the same shape
The whole has been split into equal parts that are shaped differently
Q2.
Which of the statements describe the whole and the parts of this 2D shape?
An image in a quiz
The whole has been split into unequal parts
The whole has been split into equal parts that are the same shape
Correct answer: The whole has been split into equal parts that are shaped differently
Q3.
Which of the statements are true?
A whole is made up of two parts
Correct answer: Parts can be equal or unequal
Correct answer: Equal parts can look different but still be equal
A whole can be smaller than a part
Q4.
Which of the statements describe the whole and the parts of this 2D shape?
An image in a quiz
Correct answer: The whole has been split into unequal parts
The whole has been split into equal parts that are shaped the same
The whole has been split into equal parts that are shaped differently
Q5.
Equal parts can look different. Which justification best explains this?
Correct answer: As long as the parts take up the same amount of space then they are equal
They need to be different shapes entirely like a triangle and a square
Q6.
Which of these shapes has four equal parts that are shaped differently?
Correct answer: Shape 1
Shape 2
Shape 3

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