“What is a fraction?” asked Denise Pusateri, JPS mathematics coordinator, to a group of fifth and sixth grade teachers. The question may seem to have an easy answer but with the new Common Core ...
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Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...
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