20120407_atc_06.mp3?orgId=150&topicId=1013&d=212&p=2&story=150126658&t=progseg&e=150009145&seg=6&ft=nprml&f=150126658 Listen • 3:32 20120407_atc_06.mp3?orgId=150 ...
Fractions are the basis for most higher-level mathematics. Students need to master the numerical values in earlier grades to tackle topics like algebra later. There’s only one hitch: Fractions can ...
Math teachers know that fractions can be hard for the average third-grader. Teachers at a public school in San Bruno, Calif., just south of San Francisco, are trying something new. They're teaching ...
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