1) The zoo has 4 green snakes . It has 2 yellow snakes, how many snakes are there in all? write two ways to express commutative property   a) 4+2=6 , 2+4=6 b) 4+2=6 , 2+0=6 c) 5+1=6 , 2+4=6

math grade 2 commutative property

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