I need you to correct the slide in the presentation where the maths is wrong. Also, generate a new worksheet for the children where the maths is correct.

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This lesson focuses on adding and subtracting integers up to 10 million. Students will learn to accurately perform column addition and subtraction, including regrouping. The 'We Do' section involves modelling these methods, ensuring careful alignment and error checking. In the 'You Do' segment, learners will explore multiple solutions, identify patterns, and complete a corrected worksheet with varied calculations, reinforcing their understanding of place value and mathematical operations.