One Atta Time Flash Cards Distance Learning Create New Sheet Select a Worksheet > Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All 9s Get quick and accurate at subtracting 9 from a number.Use mental math shortcuts for minus 9, like subtract 10 and add 1 back.Pay attention to place value when subtracting 9 across tens (like 40 − 9).Build subtraction fact fluency so answers come without counting.
