New
New
Year 4

Identifying the number of equal or unequal parts in a whole

I can identify the number of equal or unequal parts in a whole.

New
New
Year 4

Identifying the number of equal or unequal parts in a whole

I can identify the number of equal or unequal parts in a whole.

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Lesson details

Key learning points

  1. The parts that make up a whole can be equal or unequal in size.
  2. The whole can be made of many parts, many parts can make the whole.
  3. We can describe the parts in the whole using the stem sentence: there are ___ equal/unequal parts in the whole.

Keywords

  • 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.

Common misconception

Sometimes parts can be deceptive and look equal but are in fact unequal. For example, a rhombus that has been split into parts with lines that are equally distributed.

Explore this further by presenting several examples like this if needed. You could ask the children to try and think of some examples where the parts look equal but are in fact unequal.

This could be a practical lesson - get children to split shapes up and group them into equal and unequal parts. Many children will benefit from doing it instead of seeing it.
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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6 Questions

Q1.
A whole is always __________ than its parts when you are talking about fractions of a whole.
Correct answer: greater
smaller
less
wider
thinner
Q2.
If the group of insects is the whole, then the butterfly is a of the whole.
An image in a quiz
Correct Answer: part
Q3.
Look at the bar model. How many parts are there? There are parts.
An image in a quiz
Correct Answer: 3, three
Q4.
Which words could complete the sentence: if Europe is the whole then __________ is a part of the whole.
Correct answer: Scotland
Australia
Correct answer: France
The Sun
Thailand
Q5.
Look at these groups of counters. Which groups have an equal amount of counters?
An image in a quiz
A
Correct answer: B
Correct answer: C
D
Correct answer: E
Q6.
Which of these statements could be correct?
Correct answer: If animals are the whole, cows are a part of the whole.
If animals are the whole then a banana is a part of the whole.
If animals are the whole then a field is a part of the whole.
Correct answer: If animals are the whole, then a tiger is a part of the whole.

6 Questions

Q1.
The parts that make up a whole can be or unequal in size.
Correct Answer: equal
Q2.
Look at this image. How many parts is the whole made from?
An image in a quiz
Correct Answer: 4, four
Q3.
Look at the whole shapes. Which shapes are made from three parts?
A
Correct answer: B
Correct answer: C
D
Q4.
Look at the shape and complete the sentence: The whole has been divided into four parts.
An image in a quiz
Correct Answer: equal, of the same
Q5.
Which sentence accurately describes this line?
An image in a quiz
The whole line has been divided into four equal parts.
Correct answer: The whole line has been divided into four unequal parts.
The whole line has been divided into five equal parts.
The whole line has been divided into five unequal parts.
Q6.
Look at these strips of paper. Whose strip has been divided into four unequal parts?
Andeep
Izzy
Correct answer: Jun
Jacob