RT Journal Article SR Electronic T1 Helping Students Become Powerful Mathematical Thinkers: Case Studies of Teaching for Robust Understanding JF Harvard Educational Review JO herp FD Harvard Educational Press SP 141 OP 145 DO 10.17763/1943-5045-94.1.141a VO 94 IS 1 A1 Coppersmith, Jeannette Garcia YR 2024 UL http://harvardeducationalreview.org/content/94/1/141.2.abstract