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1nbt6 Worksheets

Number and Operations in Base Ten Use place value understanding and properties of operations to add and subtract. 6Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences], using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

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Subtracting Multiples of 10

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Subtract tens (like 30, 40, or 70) from a number to find the difference.
Notice how subtracting a multiple of 10 changes the tens digit while the ones digit stays the same.