| A | B |
|---|
| answer to a multiplication problem | product |
| answer to an addition problem | sum |
| answer to a subtraction problem | difference |
| answer to a division problem | quotient |
| {1,2,3,4,5...} | natural numbers |
| {0,1,2,3,4...} | whole numbers |
| a symbol (generally a letter of the alphabet) that is used to represent an unknown number | variable |
| a + 0 = a | additive identity |
| (a + b) + c = a + (b + c) | associative property of addition |
| a + b = b + a | commutative property of addition |
| numbers being multiplied | factors |
| a * b = b * a | commutative property of multiplication |
| (a * b) * c = a * (b * c) | associative property of multiplication |
| a * 1 = a | multiplicative identity |
| a * 0 = 0 | zero factor law |
| a(b + c) = a*b + a*c | distributive property of multiplication over addition |
| the number being divided | dividend |
| the number dividing into teh dividend | divisor |
| a / 0 | is undefined, can't be done |
| numbers added | addend |
