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.
Lesson details
Key learning points
- If some of the objects in the group are missing, it is not the whole group it is part of the group.
- This is a whole group of --- because I have all of them and none are missing.
- This is not the whole group of ---because I do not have all of them and some of them are missing.
- There are ---- in the whole group and __ in this part of the group.
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.
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.
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).
Lesson video
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Starter quiz
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6 Questions
Q1.
Match the words to the definitions.
a complete group – none 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
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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?
No
Q6.
Lucas thinks there is one possible answer. Is he correct?
Yes
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