Develop understanding of the relationship between addition and subtraction
I can understand the relationship between addition and subtraction.
Develop understanding of the relationship between addition and subtraction
I can understand the relationship between addition and subtraction.
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Lesson details
Key learning points
- Equations can be represented using part-part-whole or bar models
- The sum in an addition and the minuend in a subtraction both represent the whole
- The addends in an addition and the subtrahend and difference in a subtraction both represent parts
Keywords
Minuend - The minuend is the number being subtracted from.
Subtrahend - A subtrahend is a number subtracted from another.
Difference - The difference is the result after subtracting one number from another.
Common misconception
Pupils may find it more difficult to understand equations that start with the whole (e.g. 20 = 50 - 30)
Emphasise the need for balance in equations. To be equal, both sides must have the same value.
To help you plan your year 3 maths lesson on: Develop understanding of the relationship between addition and subtraction, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Develop understanding of the relationship between addition and subtraction, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 2 maths lessons from the Understand additive relationships and apply them to rearrange equations unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
Starter quiz
6 Questions
100
93
60
140
Exit quiz
6 Questions
50
75
125
150 − 60 = 90
90 = 130 − 40
130 − 80 = 50
80 = 150 − 70
