A 60-minute lesson in which students learn how to trade when subtracting.
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A 60-minute lesson in which students learn how to trade when subtracting.
Login to view the lesson plan.
Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation
Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
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