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Addition/Subtraction Students use blocks and numerals to add and subtract, first with and then without regrouping. Blocks move on the screen when students change ones to tens, tens to hundreds, and vice versa. As skills improve, blocks give way to numerals only. In the fast-paced game, Down We Go, students apply the skills developed earlier in the program. |
| CD-ROM Win/Mac EP-C702 $66 DISK |
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