Commutative addition, 4 + 5 = 9 / 5 + 4 = 9, Commutative multiplication, 5 × 4 = 20 / 4 × 5 = 20, Commutative property, different order, same answer., Associative addition, (1 + 2) + 3 = 6 / 1 + (2 + 3) = 6, Associative multiplication, (2 × 3) × 4 = 24 / 2 × (3 × 4) = 24, Associative property, Different ways to group, same answer., Identity with zero, 6 + 0 = 6, Identity with one, 1 × 9 = 9, Identity property, Add 0 or multipy 1, get the same number., Distributive, 2 × (3 + 4) = (2 × 3) + (2 × 4) = 6 + 8 = 14, Distributive property , Break apart a big problem into smaller ones..

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