Flip and pair: property with its equation

Exercise and reference answers

Matching pairs

1. A

   Commutative

   B

   a + b = b + a

2. A

   Associative

   B

   (a + b) + c = a + (b + c)

3. A

   Distributive

   B

   a(b + c) = ab + ac

4. A

   Additive identity

   B

   0

5. A

   Multiplicative identity

   B

   1

Explanation