Adding and Subtracting Decimals Textbook page 102

How do I add or subtract decimals? You can add or subtract decimals the same way you would whole numbers – only you must line up the decimals!

Example 1: Adding Decimals * line up decimals 9.425* use zeros as placeholders ADD, remembering the decimal

Example 2: Subtracting Decimals 10 – 9.85 * line up decimals 10.00* use zeros as placeholders 0.15SUBTRACT, remembering the decimal

Example 3: Evaluate 7.52 – s for each value of s. (A) s = – 2.9* line up 7.52 decimals * use zeros as 4.62 placeholders (B) s = – * line up decimals * use zeros as placeholders