1. Adding and Subtracting Decimals

2. Step 1: Line Up the Decimal Points 27.13 + 12.1 + 2.375.

3. Step 2: Put in numbers by Place Value 27.13 + 12.1 + 2.375 27.13 12.1 2.375

4. Step 3: Place zeros in empty place values 27.13 + 12.1 + 2.375 27.130 12.1 00 02.375

5. Step 4: Add or Subtract Numbers 27.13 + 12.1 + 2.375 27.130 12.1 00 02.375 41 605

6. Step 5: Drop Decimal Straight Down 27.13 + 12.1 + 2.375 27.130 12.1 00 02.375 41.605

7. Example 1 364.23 – 35.905

8. Example 2 23.1 + 31.625 + 2.64

9. Tedric ran a mile in 9 minutes. Savina ran in 0.04 fewer minutes. How long did it take Savina to run a mile?