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5 Written questions
5 Multiple choice questions
 additive identity
 a(0)=0
 a(1/a)=1
 associative property
 a+0 = a
5 True/False questions

commutative property → (a+b)+c = a+(b+c)

associative property → a(b+c) = ab + ac

when multiplied by a number, product = 1 → additive inverse

when multiplied by a number, the number stays the same (1) → additive identity

order of numbers can change (addition and multiplication) → Commutative property