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 Using Commutative Property 1oa3 See that switching the order of two addends gives the same sum.Fill in the missing addend to make two addition equations equal.
