Solve equivalent ratio problems, both word problems and mathematical problems. Some of these problems can be multiple-choice. For example, which ratio is equivalent to 6 : 10? Next, give your students this challenge, then this one.

Watch these Khan Academy videos:

- Finding a percent
- Percent of a whole number
- Percent word problem: recycling cans
- Part:whole ratio word problem
- Scale drawing: centimeters to kilometers
- The meaning of percent
- Meaning of 109%
- Percent word problem: penguins
- Percent word problem: 100 is what percent of 80?
- Percent word problem: 78 is 15% of what number?
- Percent word problem: guavas
- Solving ratio problems with tables
- Solving ratio problems with graph
- Converting percents to decimals: 59.2%
- Converting percents to decimals: 113.9%
- Converting percents to decimals & fractions example
- Converting decimals to percents: 0.601
- Converting decimals to percents: 1.501

Do these Khan Academy exercises:

- Convert fractions to percents
- Finding percents
- Ratios on coordinate plane
- Equivalent ratio word problems
- Relate fractions, decimals, and percents
- Percents from fraction models
- Percent word problems
- Ratio tables
- Convert percents to decimals
- Part-part-whole ratios
- Equivalent ratio word problems (basic)
- Ratios and units of measurement
- Convert decimals to percents
- Equivalent representations of percent problems
- Equivalent ratios in the real world
- Intro to percents
- Understand equivalent ratios in the real world
- Convert percents to fractions

Conclude by leading this investigation:

Half Area Quadrilateral

by MathPickle

6.RP.A.3: Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.