Multi-Digit Addition and Subtraction

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Presentation transcript:

Multi-Digit Addition and Subtraction Mrs. Conrad

Vocabulary Addition Subtraction The sum of a + b The difference of

Addition Examples What is the sum of 1579 and 2653? 1745 + 682 =

Subtraction Examples Find the difference between 3145 and 2570 912 – 799 =

Steps to Add and Subtract Multi-Digit Numbers Rewrite the problem vertically if needed Numbers should be lined up by their place value Add or subtract starting on the right with the ones place and moving to the left Make sure to carry when adding as needed Make sure to borrow when subtracting as needed

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