**This product has been updated and much improved! Check it out! If you purchase, be sure to set all of your margins for the Word Doc to 0.5" :)Mathematical Standards: 7.RP.1 7.RP.2 7.RP.3Critical Thinking Mathematical Practices: Craft an argument to Justify a Claim & Model with Mathematics. This is a ready-to-go activity and performance task for your students. It involves unit rates with fractions, tables, equations y=kx , and graphs of proportional relationships, and justifying claims.