New
New
Year 1

# Identify a part of a whole group

I can identify a part of a whole group.

New
New
Year 1

# Identify a part of a whole group

I can identify a part of a whole group.

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## Lesson details

### Key learning points

1. If some of the objects in the group are missing, it is not the whole group it is part of the group.
2. This is a whole group of --- because I have all of them and none are missing.
3. This is not the whole group of ---because I do not have all of them and some of them are missing.
4. There are ---- in the whole group and __ in this part of the group.

### Common misconception

Children may find it hard to understand that a group of objects can represent a whole.

Use the correct language to emphasise the 'whole group of ..........' and explore what happens when a part is missing.

### Keywords

• Whole - All of something. Complete.

• Part - A piece or section of a whole.

• Whole group - A group of objects that form a whole set.

Use practical examples of whole sets of objects in clearly sectioned containers, e.g. boxes of eggs and boxes of sweets as well as sets in an unsectioned container, e.g. a bag of toys and sets not in a container, e.g. a group of toys.
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).

## Starter quiz

### 6 Questions

Q1.
Match the words to the definitions.
Correct Answer:Whole group ,a complete group – none are missing.

a complete group – none are missing.

Correct Answer:Not whole group,an incomplete group – some are missing.

an incomplete group – some are missing.

Q2.
Is this the whole group of six cakes?
No
Q3.
Is this the whole group of six eggs?
Yes
Q4.
Is this the whole group of Lucas’ 10 cars?
Yes
Q5.
Is this the whole group of Aisha’s eight cars?
No
Q6.
Which picture shows the part Lucas will need to make his whole group of 10 cars?
one car
three cars
four cars

## Exit quiz

### 6 Questions

Q1.
Is this the whole group of 10 pencils?
No
Q2.
Is this the whole group of 10 pencils?
Yes
Q3.
Which part will complete the whole group?
one car
three cars
four cars
Q4.
Which part will complete the whole group?
one car
three cars
four cars
Q5.
Aisha thinks there is more than one possible answer. Is she correct?