| No. |
Title | Add time |
| 1 |  Adding Three Digit Numbers 3168 | 2006-10-17 16:07:35 |
|
| 2 | Inverse relationship of Addition and Subtra... 9991 | 2006-10-24 22:25:28 |
|
| 3 | Properties of Addition 7339 | 2006-10-24 22:33:26 |
|
| 4 | Multiplying by Repeated Addition 4295 | 2006-10-31 23:01:47 |
|
| 5 | Adding Numbers Arranged Vertically 3180 | 2006-11-04 20:39:54 |
|
| 6 | Addition of Decimals 3199 | 2006-11-08 18:48:11 |
|
| 7 | Adding Money Amounts 3304 | 2006-11-13 21:30:00 |
|
| 8 | Changing Hours and Minutes to Minutes 3287 | 2006-11-14 22:08:49 |
|
| 9 | Addition of Hours and Minutes 4821 | 2006-11-18 22:12:00 |
|
| 10 | Add hours 3115 | 2006-11-18 22:40:56 |
|
| 11 | Add half hours 1865 | 2006-11-18 22:42:53 |
|
| 12 | Improving an Estimate of a sum by rounding 3445 | 2006-11-19 12:33:33 |
|
| 13 | Estimating by Front End Estimation 7980 | 2006-11-19 12:50:37 |
|
| 14 | Estimate the sum of two decimals 4525 | 2006-11-19 13:03:19 |
|
| 15 | Place Values by Adding 1892 | 2006-11-19 13:05:38 |
|
| 16 | The Four Basic Operations 4880 | 2006-11-19 13:07:11 |
|
| 17 | Addition with Roman Numerals 3824 | 2006-11-19 13:08:34 |
|
| 18 | One Digit Addition Equations 1727 | 2006-11-19 13:11:21 |
|
| 19 | Addition equations with 2 digit numbers 1803 | 2006-11-24 19:05:52 |
|
| 20 | Addition equations with 3 digit numbers 1801 | 2006-11-24 19:06:54 |
|
