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Handwritten math diagram demonstrating the "New Way" subtraction method for 243 minus 87 using a number line and addition strategy.

Diagram of 243 minus 87 solved via the New Way counting up method, showing steps 3, 10, 100, 43 summing to 156 on a number line.

Diagram of 243 minus 87 solved via the New Way counting up method, showing steps 3, 10, 100, 43 summing to 156 on a number line.

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