No. |
Title | Add time |
1 | Basic Addition--Add Objects I 5472 | 2007-02-04 15:43:37 |
|
2 | Basic Addition--Add Objects II 3865 | 2007-02-05 17:12:03 |
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3 | Basic Addition--Adding Numbers I 3663 | 2007-02-05 18:12:23 |
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4 | Basic Addition--Adding Numbers II 3460 | 2007-02-05 18:38:30 |
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5 | Basic Addition--Adding Using Words 3888 | 2007-02-05 18:52:02 |
|
6 | Addition Facts for 0, 1 and 2 3500 | 2007-02-05 21:00:04 |
|
7 | Addition Facts for 3 and 4 3604 | 2007-02-05 21:07:11 |
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8 | Addition Facts for 5 and 6 3581 | 2007-02-05 21:14:07 |
|
9 | Addition Facts for 7 and 8 3561 | 2007-02-05 22:58:57 |
|
10 | Addition Facts for 9 and 10 3649 | 2007-02-05 23:06:11 |
|
11 | Addition Facts for All to 9 + 9 2462 | 2007-02-05 23:15:08 |
|
12 | Adding Tens 2628 | 2006-10-02 20:05:47 |
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13 | Adding Two Digit Numbers Without Renaming 5031 | 2006-10-02 20:08:56 |
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14 | Adding Three One-Digit Numbers 2729 | 2006-10-02 20:10:15 |
|
15 | Adding Hundreds 4104 | 2006-10-02 20:12:54 |
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16 | Mentally Adding Two-Digit Numbers 3810 | 2006-10-02 20:13:55 |
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17 | Adding Two-Digit Numbers with Paper and Pen... 3511 | 2006-10-02 20:25:19 |
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18 | Estimating a sum by rounding 3684 | 2006-10-04 13:23:49 |
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19 | Front End Estimation of Sums 7374 | 2006-10-04 13:32:06 |
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20 | Add three 2-digit Numbers 3568 | 2006-10-17 16:02:05 |
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