Chapter 2 Vocabulary (Pre-Algebra)

a number less than zero

• absolute value

• integer

• positive number

• negative number

a number greater than zero

• coordinate

• additive inverse

• integer

• positive number

any number from the set {..., -3, -2, -1, 0, 1, 2, 3, ...}, where ... means continues indefinitely

• inequality

• absolute value

• factors

• integer

the number that corresponds to the point on a number line

• coordinate

• integer

• absolute value

• additive inverse

a mathematical sentence containing < or > and compares numbers or quantities

• integer

• negative number

• inequality

• coordinate

the distance the number is from zero on a number line

• matrix

• coordinate

• absolute value

• additive inverse

two numbers with the same absolute value but different signs

• opposites

• absolute value

• inequality

• integer

an integer and its opposite

• mean

• inductive reasoning

• additive inverse

• opposites

the sum of any number and its additive inverse is zero.
For any a, a + (-a) = 0

• Additive Inverse Property

• positive number

• absolute value

• mean

(rule) to subtract an integer, add its additive inverse

• subtracting integers (rule)

• adding integers (rule)

• multiplying integers (rule)

• dividing integers (rule)