Bits and Pieces I: Investigation 4: Working With Percents 
MMS Math
Essentials &
Vocabulary Vocabulary on this page Parents Help Links on this page 
Decimals
Fractions
Fraction Pieces – Work with parts and wholes to learn about fractions.  
Fractions  Adding – Illustrates what it means to find a common denominator and combine.  
Fractions  Comparing – Judge the size of fractions and plot them on a number line.  
Fractions  Equivalent – Illustrates relationships between equivalent fractions.  
Fractions  Rectangle Multiplication – Visualize and practice multiplying fractions using an area representation. 
Percents
Percent Grids – Represent, name, and explore percentages using hundreds grids.  
Percentages – Discover relationships between fractions, percents, and decimals. 
Vocabulary 
Picture  Vocabuary 
Greatest Common
Factor: The greatest number that is a factor of all numbers. 

Simplest
Form: The only common factor between the numerator and
denominator is one. 

Least Common
Multiple: The least number that is a common multiple of all
numbers. 

Equivalent
Fractions: Fractions that have the same simplest form. 

Power of ten:
Helps to write a decimal for a fraction whose denominator is 10, 100,
1000, ect. 

Benchmark: A
reference point used to determine the size of a number. 

Compare: To
determine which value is larger. To determine if the values are equal. 

Decimal: A
special form of a fraction. The denominator of this fraction is a power
of 10. 

Order: The
way one thing follows another: In order of size 

Percent: Out
of 100 

Fraction:
Part of a whole number. Written in the form of a numerator and
denominator. 

Numerator:
The part of the whole being used 

Denominator: The
whole of the fraction. The number of equal pieces in the whole. 

Mixed Number:
The whole and the numerator 

Improper
Fraction: The numerator is larger than the denominator 