# Ratios and proportions

Here is a list of all of the skills that cover ratios and proportions! These skills are organized by grade, and you can move your mouse over any skill name to view a sample question. To start practicing, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

## Seventh-grade skills

- J.1Understanding ratios
- J.2Equivalent ratios
- J.3Equivalent ratios: word problems
- J.4Compare ratios: word problems
- J.5Unit rates
- J.6Do the ratios form a proportion?
- J.7Do the ratios form a proportion: word problems
- J.8Solve proportions
- J.9Solve proportions: word problems
- J.10Estimate population size using proportions
- J.11Rate of change
- J.12Constant rate of change
- J.13Scale drawings and scale factors
- P.30Perimeter, area, and volume: changes in scale

## Eighth-grade skills

- H.1Understanding ratios
- H.2Equivalent ratios
- H.3Equivalent ratios: word problems
- H.4Compare ratios: word problems
- H.5Unit rates
- H.6Do the ratios form a proportion?
- H.7Do the ratios form a proportion: word problems
- H.8Solve proportions
- H.9Solve proportions: word problems
- H.10Estimate population size using proportions
- H.11Rate of change
- H.12Constant rate of change
- H.13Scale drawings and scale factors
- I.1Identify proportional relationships
- I.2Find the constant of variation: graphs
- I.3Find the constant of variation: word problems
- I.4Graph a proportional relationship
- I.5Write an equation for a proportional relationship
- I.6Proportional relationships: word problems
- Q.33Perimeter, area, and volume: changes in scale

## Algebra 1 skills

- C.1Identify equivalent ratios
- C.2Equivalent ratios: fill in the missing number
- C.3Unit rates
- C.5Solve proportions
- C.6Solve proportions: word problems
- C.7Scale drawings and scale factors
- F.13Perimeter, area, and volume: changes in scale
- R.1Identify proportional relationships
- R.2Find the constant of variation
- R.3Graph a proportional relationship
- R.4Write direct variation equations
- R.5Write and solve direct variation equations
- R.7Write inverse variation equations
- R.8Write and solve inverse variation equations