Decimals Addition & Subtraction

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Added: August 19, 2009 This Presentation is Public 
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DecimalsAddition & Subtraction :DecimalsAddition & Subtraction


DecimalsAddition & Subtraction :DecimalsAddition & Subtraction The essential piece to remember is that the decimals MUST be lined up. Be sure the decimal point is included in the answer


DecimalsAddition & Subtraction :DecimalsAddition & Subtraction When zero doesn’t mean anything - Zeros can be added to the left of a number without affecting its value…we have seen this with our work with whole numbers


Slide 4:The same logic can be applied to the tenths, hundredths, and thousandths using the base 10 blocks as a visual reference. This will help when adding and subtracting numbers with different numbers of digits.