Knowledge and Skills Review: Number System (Important Terms)

What refers to the distance of a number from zero on a number line?

• Integer

• Factor

• Absolute Value

• Coordinate

This is a number added to its opposite whose sum is zero, like -9 + 9 or 10 + -10.

• additive inverse

• multiplicative inverse

• irrational number

• rational number

Name the property shown by the following:

a. 3 x 8 = 8 x 3

b. 6(9 - 5) = 6x9 -6x5

c. 4x(3x7) = (4x3)x7 

What do you call a number that can be exactly divided by another number?

• coordinate

• inequality

• rational

• factor

This is a number that can be expressed as a ratio of two integers.

• Integer

• rational number

• opposite number

• coordinate

The constant value of the ratio of two proportional quantities x and y.

• ratio

• Unit Rate

• Constant of Proportionality

• Absolute Value

This is a point where the x-axis and the y-axis meet.

• quadrant 1

• coordinate plane

• origin

• quadrant 4

Which is an example of rate?

• 400 miles to 5 days

• 3 cats to 5 cats

• 5 oranges to 12 oranges

• $3.00 to $5.00

What refers to two numbers that are equal in distance (absolute value) from zero on a number line.

• coordinate

• integer

• factor

• opposites

What property is shown in 5x(6 + 3) = 5x6 + 5x3?

• distributive

• associative

• commutative