Level 351
Level 353

#### 13 words 0 ignored

Ready to learn
Ready to review

## Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

**Ignore?**

Identity

The product of any number and one is that number.

Commutative

Changing the order of the factors does not change the product.

Division

process of breaking a quantity into equal parts

Symmetric

Flip the left side of the equation to the right side.

Subtraction

to take a quantity away from another

Substitution

The replacement of letters/variables in an algebraic expression.

Transitive

If x < y and y < 0, what property says x < 0?

Addition

to join two or more quantities

Inverse

a + (-a) = 0 = (-a) + a OR a * 1/a = 1 = 1/a * a; a cant be 0

Reflexive

(3-i) = (3-i)

associative

Changing the grouping of the factors does not change the product.

Distributive

This is done by breaking a large fact into two smaller known facts.

Multiplication

process of repeated addition