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Give reasons for each of the following steps. 152+22= (1.10+5.10+2)+(2.10+2) = 1.10+(5.10+2*10)+(2+2) =1.10+(5+2) 10+(2+2) = 1.10+7.10+4 = 174 The reason for the first line
Give reasons for each of the following steps. 152+22= (1.10+5.10+2)+(2.10+2) = 1.10+(5.10+2*10)+(2+2) =1.10+(5+2) 10+(2+2) = 1.10+7.10+4 = 174 The reason for the first line is 152+22= (1.102 +5.1 associative property of addition. closure property of addition. commutative property of addition. associative and commutative properties of addition. distributive property of multiplication over addition. identity property of addition. place value. single-digit addition facts.
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