EE-Learning
Basic ratios
Catogry:
Math
Subject:
Pre- Algebra
Course:
Ratios, Rates, Proportions
Lecture List
Multiple units word problem: road trip
Proportion word problem: cookies
Proportion word problem: hot dogs
Writing proportions example
Worked example: Solving proportions
Proportional relationships
Proportional relationships: movie tickets
Proportional relationships: bananas
Proportional relationships: spaghetti
Intro to proportional relationships
Interpret proportionality constants
Comparing proportionality constants
Constant of proportionality from table
Constant of proportionality from equation
Identifying constant of proportionality graphically
Rational number word problem: school report
Rational number word problem: cab
Rational number word problem: cosmetics
Percent word problems: tax and discount
Percent word problem: magic club
Solving percent problems
Growing by a percentage
Percent word problem: penguins
Percent word problem: recycling cans
Percent word problem: guavas
Percent word problem: 78 is 15% of what number?
Percent word problem: 100 is what percent of 80?
Identifying percent amount and base
Percent of a whole number
Finding a percent
Ordering numeric expressions
Converting percents to decimals & fractions example
Converting percents to decimals: 113.9%
Converting percents to decimals: 59.2%
Converting decimals to percents: 1.501
Converting decimals to percents: 0.601
Fraction, decimal, and percent from visual model
Percents from fraction models
Meaning of 109%
The meaning of percent
Speed translation
Finding average speed or rate
Comparing rates example
Multiple rates word problem
Solving unit price problem
Solving unit rate problem
Intro to rates
Part:whole ratios
Part:whole ratio word problem
Ratios and measurement
Ratios on coordinate plane
Ratios with tape diagrams
Solving ratio problems with tables
Ratios and double number lines
Solving ratio problems with graph
Understanding equivalent ratios
Equivalent ratio word problems
Equivalent ratios: recipe
Equivalent ratios
Basic ratios
Intro to ratios