7rp2c Worksheets
Ratios and Proportional Relationships
Analyze proportional relationships and use them to solve real-world and mathematical problems.
2Recognize and represent proportional relationships between quantities.
cRepresent proportional relationships by equations. For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn.
7rp2c
7rp2c
- Turn a proportional relationship into an equation using a variable.
- Identify the constant of proportionality (unit rate) and use it as the number that multiplies the variable.
- Translate a word statement about “times as much” or “per” into an equation with an equals sign.
- Match a situation to the correct equation form (like y = kx) and label what the variables represent.
