Chapter 4 Vocabulary *Write & Define the Following Vocab words by using the Glossary in the back of your book into your

notes.*

Commutative Property- The _______ in which two _______ are added or __________ does not

change their ________ or product. For any numbers a and b, a + b = b + a and ab = ba.

Example: 2 + 3 = 3 + 2 or 2 x 3 = 3 x 2.  

Dimensional Analysis- The process of carrying ________throughout a __________________.  

Reciprocals- The multiplicative ___________ of a _____________.  

Unit Ratio/Unit Rate- A rate with a ___________________ of ____.  

Compatible Numbers- Two numbers that are easy to _____, subtract, ____________, or divide

____________.  

Fraction- A number that represents _________ of a ____________ or part of a _________.  

Greatest Common Factor (GCF)- The ______________ number that is a factor of _________ or more

numbers. Example: The greatest common factor of 30, 60, and 15 is 15.  

*Write & Define the Following Vocab words by using a classroom dictionary into your notes.*

Mixed Number- a number consisting of an ____________ and a ____________ fraction.  

Numerator- The _________ number in a fraction.  

Denominator- The ____________ number in a fraction.  

Improper Fraction- The ___________________ is greater than (or equal to) the

_____________________. Examples: 4/3, 11/4, 7/7.