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Pyramids V2.0 is an interactive excel file that test mental additoin and subtraction of both negative and positive numbers. It can also be used to for multiplcation and division however a calculator for each pupil maybe need depending on the setting chosen. This can be used as a starter or a plenary to a lesson. Please rate and give comments for futher updates

Two step V2.0 is an interactive excel file that test students ability to preform basic additon and subtraction. There are four diffent difficulty levels.

Addon-agons V2.3 is an interactive excel file that test mental additoin and subtraction. This can be used as a starter, a plenary to a lesson or a main activity for individual students.

Please rate and give comments for further updates