New
New
Year 2
Add three addends
I can represent the addition of three addends.
New
New
Year 2
Add three addends
I can represent the addition of three addends.
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Lesson details
Key learning points
- There can be three addends in an addition equation.
- We can represent this using a ten frame, a part-part-whole model or as an equation.
Keywords
Addends - Any numbers that are added together.
Represent - Showing something or standing for something.
Common misconception
Children may struggle to make the connection between the concrete, pictorial and abstract representations.
When using the part–part–whole representation, make sure you explicitly connect each number with what it represents. Ask the children to describe what they can see using the full stem sentences. 'The ___ represents the __________.'
Introduce abstract representations alongside the concrete and pictorial to support children in making a connection between the representations. Also ensure children are confident reading and writing equations with the equals symbol in different positions.
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 pairs of numbers that sum to 10
9
5
7
6
8
Q2.
Match the start and end of the sentences correctly.
6
8
5
11
Q3.
Match each double with its double fact.
double 2
3 + 3
double 5
double 4
Q4.
Match the addition expressions that are commutative.
7 + 2
3 + 8
5 + 1
6 + 4
Q5.
Look at this bar model. What is the missing part?
Q6.
Which of the equations represent this image?
4 + 1 = 5
Exit quiz
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6 Questions
Q1.
Look at the blocks. There are 2 red blocks, 4 yellow blocks and 1 blue block. Altogether, there are blocks.
Q2.
Aisha represents some blocks on a ten frame. Which ten frame represents her description?
Q3.
This ten frame shows a total of 10
What 3 addends have been added together?
1
4
Q4.
Look at the image. Which numbers are parts and which is the whole?
is a part
is a part
is the whole
is a part
Q5.
Which ten frame represents this part-part-whole model?
Q6.
What is the missing whole?
