1) 1. (6 + 12) + (5 + 7) = (5 + ___) + (___ + 12) a) 5 and 12 b) 7 and 6 c) 7 and 12 2) 2. (7 x 6) x 5 = ___ (6 x ___) a) 7 and 5 b) 6 and 5 c) 6 and 7 3) 3. 20 + ___ = 40 + ____ a) 20 and 20 b) 40 and 40 c) 40 and 20 4) 4. 24 + (36 + 50) = (___ + ___) + 50 a) 24 and 36 b) 36 and 50 c) 36 and 36 5) 5. 7 x (10 +5) = (___ x 10) + (7 x ___) a) 7 and 5 b) 7 and 10 c) 10 and 10 6) Identify the property of operation used in the equation. 1. (3 + 2) + 20 = 3 + (2 + 20) a) Commutative Property b) Identity Property c) Associative Property 7) Identify the property of operation used in the equation. 2. 6 x (5 + 10) = (6 x 5) + (6 x 10) a) Commutative Property b) Distributive Property c) Associative Property 8) Identify the property of operation used in the equation. 45 + 0 = 45 a) Associative Property b) Identity Property c) Zero Property 9) Identify the property of operation used in the equation. 9 x 5 = 5 x 9 a) Identity Property b) Zero Property c) Commutative Property 10) Identify the property of operation used in the equation. (8 x 6) x 5 = 8 x (6 x 5) a) Associative Property b) Distributive Property c) Commutative Property

Finding Missing Number in an Equation

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