This maths teaching pack for Key Stage One gets the children to identify and record different pairs of two digit numbers that sum to one hundred using a number square to model each calculation.

The class can explain and illustrate the techniques that can be used when adding numbers including the use of concrete objects and pictorial diagrams to complete different calculations.

Download this teaching pack including a lesson plan, classroom activities and an interactive presentation to teach the children to identify and record different pairs of two digit numbers that sum to one hundred using a number square to model each calculation

Activities in this teaching pack include differentiated worksheets to model how to record addition number sentences to show pairs of numbers that sum to one hundred using pictorial diagrams to illustrate each identified calculation.

The interactive presentation gets the children to identify and explain how to record pairs of two digit numbers that sum to one hundred using a number square to model each of the calculations.

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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