Expressions Vocabulary

8+7+5=5+8+7 is an example of which property?

A symbol, usually a letter, used to represent a value can change.

What is an example of factoring?

You can change the way you group numbers when you are multiplying without changing the answer.

A mathematical phrase that contains operations, numbers, and/or variables (does not contain an equal sign).

When you add zero to anything, it does not change the value.

You can add in any order and it does not change the answer.

When you multiply a number by 1, it does not change the value.

8 + (-8) = 0 is an example of which property?

8(7+5)=8x7+8x5 is an example of which property?

Terms that can be combined together in an expression.

2 x 1/2 = 1 is an example of which property?

When you multiply a number and its reciprocal, you get 1.

When you add a number and its opposite, you get zero.

0+8 = 8 is an example of which property?

5x3x4=4x3x5 is an example of which property?

6x(5x12)=(6x5)x12 is an example of which property?

You can multiply in any order and it does not change the answer.

h x 1 = h is an example of which property?

A value that does not change--in an expression it is a number NOT multiplied by a variable.

(8+7)+5 = 8+(7+5) is an example of which property?

When you have an expression in the form a(b + c) you can rewrite it as ab + ac. It also is true for a(b - c) = ab - ac

In the expression 4n +8, 8 is a

You can change the way you group numbers when you are adding without changing the answer.

The parts of the expression separated by addition or subtraction signs.

Another way of saying "Combine like terms" is

In the expression 3m + 8, 3m is an example of a

the number multipied by a variable in an expression

In the expression 4n +8, n is a

In the expression 4n +8, 4 is a