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Lesson details
Key learning points
- In this lesson, we will explore commutativity - the concept that parts in addition equations can be added together in any order.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
In the picture there are 5 orange fish and 4 blue fish. Which equation could we use to represent this?
3 + 4 =7
4 + 4 = 8
5 + 5 = 10
Q2.
In the picture 5 sheep are in the field, 2 are outside the field. Which equation could we use to represent this?
4 + 2 = 6
4 + 5 = 9
5 + 3 = 8
Q3.
I have 3 green apples and 2 red apples. How could I represent my apples as an addition equation?
2 + 1 = 3
2 + 5 = 7
3 + 3 = 6
3 Questions
Q1.
Choose the most efficient way to add eight and two together.
Option 2
Q2.
Choose the equation that is equal to 4 + 2
2 + 1
6 + 1
Q3.
In the picture 5 sheep are in the field, 2 are outside the field. Which is the most efficient equation to represent this problem?
3 + 4 = 7
5 - 2 = 3