This Adding and Subtracting 10 lesson plan also includes:
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Using two simple charts, beginners to addition and subtraction learn the patters of adding and subtracting 10 from any number. The addition chart has four columns, headed with My Number, My Number + 10, I Predict the sum will be..., and After building a model with counters the sum was.... The subtraction chart begins the same (switch addition for subtraction), however the last column reads After using the hundred chart the difference was....