Subtracting larger numbers in your head is not always easy, so you can use the column method to take one number away from another. You write the larger number above the smaller number, so that the ...
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 ...
Cath Pearn is affiliated with both the Australian Council for Educational Research and the Melbourne Graduate School of Education, The University of Melbourne. I’m sure most people can remember trying ...
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