Front End estimation Rounding Compatible Numbers 366 300 366 370 366 360 → → → + 423 400 + 423 420 + 423 420 → → → 700 790 780 area: the number of square needed to cover a region. Examples:
Front End estimation Rounding Compatible Numbers 366 → 300 366 → 370 366 → 360 + 423 → 400 + 423 → 420 + 423 → 420 700 790 780 area: the number of square needed to cover a region. Examples:
Unit_3_OA_C_7_Multiply_Divide_Within_100.docx