1. Adding & Subtracting Decimals

2. 452 + 893 4.52 + 8.93 When adding decimals, make sure that the decimals always line up, then add like you would with a whole number.

3. 692 -245 6.92 -2.45

4. Adding & Subtracting Decimals 62.81 +43.1 84.3 +10.65 65.32 -12.9 74 -43.12

5. Estimation Estimate: to approximate an answer Overestimate: estimate that is larger than the actual answer Under Estimate: estimate that is smaller than the actual answer

6. Estimating Distances Odometer Distance (km) Estimate Distance Winnipeg to Jasper Ashley Estimate Distance Winnipeg to Jasper Marshall 209.5200 257.9300200 341.7300 274.3300200 247.8200 360.4400300 Total17001400 Did Marshall & Ashley estimate differently? How did Ashley estimate? How did Marshall estimate? Who’s estimation method was more accurate?

7. Bookwork Grade 7 Questions Pg 48: 4, 6, 8, 10, 11, 12, 14, 16, 22 Grade 8 Questions Pg 52: 5, 7, 8, 10, 12, 14, 16, 18, 21