CPM Chapter 3 Vocabulary Test Ch. 3 All Lessons

A part of something; a part of a whole.

• Ration

• Portion

• Percentage

• Fraction

(%) A ratio that compares a number to 100. Percents are often written using the “%” symbol. For example, 0.75 is equal to 75/100 or 75%.

• Portion

• Integer

• Percent

• Ratio

The selection of a subset of individuals from within a population to estimate characteristics of the entire population.

• Portion

• Sample

• Sampling

• Fraction

A subset (group) of a given population with the same characteristics as the whole population. Ex. a cup of pond water or a vial of blood.

• Sample

• Subset

• Sampling

• Percentage

This "Property" states that multiplying any expression by 1 leaves the expression unchanged. That is, a(1) = a.

• Equivalent Fraction

• Distributive

• Associative

• Multiplicative Identity

(of a fraction) A fraction for which the numerator and the denominator have no common factor greater than one.

• GCF (Greatest Common Factor)

• LCM (Least Common Multiple)

• Lowest terms

• Factors

For integers, the greatest positive integer that is a common factor of two or more integers. For example, the greatest common factor of 28 and 42 is 14.

• Lowest Terms

• LCM (Least Common Multiple

• Composite Number

• GCF (Greatest Common Factor)

A factor that is a prime number.

• Prime Factor

• Composite Factor

• Equivalent Fraction

• Giant (Big) One

The web diagram right illustrates that fractions, decimals, and percents are different ways to represent a portion of a number. Portions may also be represented in words, such as “four-fifths” or “seven fourths,” or as diagrams.

• Venn Diagram

• Histogram

• Web

• Line Plot

Ms. Foy is from what southern state?

• Mississippi

• Florida

• Louisiana

• Georgia