# 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
- K.1Find the constant of proportionality from a table
- K.2Identify graphs of proportional relationships
- K.4Write equations for proportional relationships
- K.5Graph proportional relationships
- K.7Find the constant of proportionality: word problems
- K.8Solve problems involving proportional relationships
- X.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.11Scale drawings and scale factors
- I.1Find the constant of proportionality from a table
- I.2Identify graphs of proportional relationships
- I.3Find the constant of proportionality from a graph
- I.4Write equations for proportional relationships
- I.5Graph proportional relationships
- I.6Identify proportional relationships
- I.7Find the constant of proportionality: word problems
- I.8Solve problems involving proportional relationships
- N.35Perimeter, area, and volume: changes in scale
- X.4Rate of change
- X.5Constant rate of change

## 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