Lesson Five – Addition Number Reverses
This maths teaching pack for Key Stage One gets the children to practise using inverse operations to identify and illustrate how to reverse different addition calculations by using matching subtraction sums.
The class can explain and illustrate the techniques that can be used when adding and subtracting numbers including the use of concrete objects and pictorial diagrams.
Download this teaching pack including a lesson plan, classroom activities and an interactive presentation to teach the children to practise using inverse operations to identify and illustrate how to reverse different addition calculations by using matching subtraction sums
Activities in this teaching pack include sets of differentiated cards to select addition calculations to complete and then check using the inverse operation of subtraction utilising concrete objects and pictorial diagrams to support completion of each number calculation.
The interactive presentation gets the children to identify and explain how to check the sums of addition calculations for pairs of two digit numbers using the inverse operation of subtraction.
This lesson is part of a maths scheme of work to get the children to model and record how to solve number problems involving addition of pairs of two digit numbers including exchange between place value. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.
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