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Chapter 4: Sticker Stickler—The Lesson (Grades 1–2)
Bob Moses, a leader in the 1960s civil rights movement, founded a national U.S. mathematics literacy program in the 1980s known as the Algebra Project. Impacting thousands of students and hundreds of teachers each year, the Algebra Project, aimed at raising the mathematics achievement level of low-income students and students of color, has made significant contributions to U.S. mathematics education.
Privileged to hear Bob Moses present his research at the National Science Foundation in 2003, I was struck by his revelation that student conception of subtraction in the early grades can impact later understanding of key algebraic formulas. “If kids are only taught the take-away metaphor, they'll have trouble in algebra,” he said squarely. “In algebraic ...