Double the Ducks (MathStart 1)
"It's hard work, taking care of 5 little ducks. But when each little duck comes home with a friend -- oh, no! Now it's double the ducks and double the work. How can 1 little boy get everything done? Understanding how to double numbers helps children master both addition and multiplica...
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| 第一著者: | |
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| フォーマット: | 図書 |
| 言語: | 言語不明 |
| 出版事項: |
HarperCollins
2002
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| タグ: |
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