Join Mrs. McCartney for an addition number talk with D.C.! Join Mrs. McCartney for an addition number talk with D.C.! Get ready to have some fun subtracting two-digit numbers with regrouping and ...
Claire Madden, a math education specialist for Milwaukee schools, shows teachers different methods of subtracting two-digit numbers. Credit: Abby J. McFarland for The Hechinger Report The Hechinger ...
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