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161
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162
Mathematics activities for elementary school teachers a problem solving approach
Publicado 2001Libro -
163
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164
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165
Young mathematicians at work constructing number sense, addition, and subtraction
Publicado 2001Libro -
166
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167
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168
Assessing children's mathematical knowledge social class, sex, and problem-solving
Publicado 2000Libro -
169
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170