Estimation investigations more than 65 activities to build mathematical reasoning and number sense
| Príomhchruthaitheoir: | |
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| Rannpháirtithe: | |
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
New York
Scholastic Professional Books
c1994.
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| Ábhair: |