1. A DDING AND S UBTRACTING D ECIMALS

2. E SSENTIAL Q UESTION AND I NFORMATION : How do I add and subtract decimals? Always line up decimals Add and subtract like you always do Bring decimal straight down in your answers

3. A DDING D ECIMALS Examples: 4.55 + 11.3 Put the first number on the top of the second number and line up the decimals. 4.55 + 11.3 Add a place holder to help keep everything lined up 0 15.85 When adding or subtracting you always start from the right and work left.

4. 6.44 + 16 When there is no decimal put one behind the number. Line up the decimal 6.44 + 16. Add place holders to line up everything 22.44 00

5. -8.33 + -10.972 -8.33 -10.972 Add a place holder to line up everything 0 Line up the decimal + -19.302

6. S UBTRACTING D ECIMALS Examples: 5.34 -2.08 Put the first number on the top of the second number and line up the decimals. 5.34 -2.08 3.26

7. 28 – 15.911 When there is no decimal put one behind the number. 28. -15.911 Add place holders to line up everything, then subtract 000 799 80. 219

8. 0.57 4.625 8.75 Magic Square 6.3750.57 5.254.6254 2.258.752.875 The sum of each row, column, and diagonal must be the same. Sums to 13.875