BASIC ALGEBRA

Front

What is the expression for the sum of a number x and 6?

Back

x + 6

Front

How do you express the total of a number b and 14?

Back

14 + b

Front

If 4 + N = 8, what is the value of N?

Back

N = 4

Front

How do you express taking 10 away from a number s?

Back

s - 10

Front

If N + 256 = 278, what is the value of N?

Back

N = 22

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to solve for a variable?

Back

To find the value of the variable that makes the equation true.

Front

What is the commutative property of addition?

Back

The order of adding numbers does not change the sum (a + b = b + a).

Front

What is the associative property of addition?

Back

The way in which numbers are grouped in addition does not change the sum ((a + b) + c = a + (b + c)).

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.