Starter quiz
- Match the words to the definitions.
- Whole group⇔a complete group – none are missing. ✓
- Not whole group⇔an incomplete group – some are missing. ✓
- Is this the whole group of six cakes?
- Yes ✓
- No
-
- Is this the whole group of six eggs?
- Yes
- No ✓
-
- Is this the whole group of Lucas’ 10 cars?
- Yes
- No ✓
-
- Is this the whole group of Aisha’s eight cars?
- Yes ✓
- No
-
- Which picture shows the part Lucas will need to make his whole group of 10 cars?
- one car
- two cars ✓
- three cars
- four cars
Exit quiz
- Is this the whole group of 10 pencils?
- Yes ✓
- No
-
- Is this the whole group of 10 pencils?
- Yes
- No ✓
-
- Which part will complete the whole group?
- one car
- two cars ✓
- three cars
- four cars
- Which part will complete the whole group?
- one car
- two cars ✓
- three cars
- four cars
- Aisha thinks there is more than one possible answer. Is she correct?
- Yes ✓
- No
-
- Lucas thinks there is one possible answer. Is he correct?
- Yes
- No ✓
-
Worksheet
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Presentation
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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.
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.
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