Adding and Subtracting 10 Using a Number Chart and Place Value Model

This video tutorial teaches how to add or subtract 10 from 3-digit numbers using a number chart. It begins with a review of number ranges and then explains adding and subtracting 10 from 2-digit numbers. The tutorial explores patterns on the 101 to 200 chart and demonstrates adding and subtracting 10 from 3-digit numbers. The lesson concludes with a summary of the key concepts.

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