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number properties..
associative, commutaive, inverse, identity, distributive.
| Questions to the anwers | anwers to the questions |
|---|---|
| commutative property | change order: 5+7=12 7+5=12 alows you to change order |
| associative property | always the same= think moving cheeks a+(b+c) = (a+b)+c |
| inverse property | opposite! (a) + (-a)= 0 8+-8=0 |
| distributive property | distributive: a number through a parenthesis.- watch for negatives the sign always goes with the number bhind it a (b+c) = ab+ac 3a+18 |
| indentity property | nobody can change you ! a+0= a a*1=a |