California Mathmetics-G6-Ch4

Unit 2: Number Sense: Fractions
Focus:
Represent and use numbers in a variety of equivalent forms and apply addition, subtraction, multiplication, and division of fractions to accurately compute and solve problems.

Cross curricular project: a well-balanced diet. This adventure will tantalize
Your taste buds!
Crease
Chapter 4: fractions, decimals, and percents
Equivalent Fractions
Percent
Ratio
Simplest form

Explore 4-1 math lab: grouping Factors
4-1: Prime factorization
Prime Number
Composite number
Prime factorization
Factor tree
4-2: greatest common factor
Venn digoal
Greatest common factor (GCF)
As shown above, v enn diagrams use overlapping circles to show how common elements among sets of numbers or objects are related. they can also show common factors. the greatest of the common factors of two or more numbers is the GR eatest common factor, or
GCF.
4-3: Problem-Solving Investigation
4-4: simplifying Fractions
Analyze Graphs
Prerequisite skill
4-5: fractions and Decimals
Use mental math
Write fractions as repeating decimals: divide by 9, 99,999
Hockey;
Terminating Decimals
Repeating decimals
Bar notation
R epeating decimals have a pattern in the digits that repeats forever.
A te rminating decimal is a decimal whose digits end.
You can use bar notation to indicate that a number pattern repeats indefinitely. A bar is written only over the digits that repeat.
Mid-Chapter quiz
4-6: fractions and percents
Ratio
Percent
4-7: percents and Decimals
When multiplying by 100, the decimal point moves two places right.
Percent as a decimal; decimal as a percent;
4-8: least common multiple
Multiple
Least common multiple (LCM)
A multiple is the product of a number and any whole number. The least common multiple, or LCM, of two or more numbers is the least of their common multiples, excluding zero.
4-9: Comparing and ordering rational numbers
Rational numbers
Common denominator
Least Common
Denominator (LCD)

Study guide and review
Greatest common factor
Fractions, decimals, and percents
Least common multiple

Rational numbers

Key vocabulary
Bar notation
Common denominator
Composite number
Equivalent Fractions
Factor tree
Greatest common factor (GCF)
Least common denominator
Least common multiple (LCM)
Multiple
Percent
Prime factorization
Prime Number
Ratio
Rational Number
Repeating decimal
Simplest form
Terminating decimal