Which is the better buy? We will calculate the unit price (rate) of each item to compare.
Which is the Better Buy? (CCSS 6.RP.A.3b) is a free educational video by mathtrain.It helps students in grades 6 practice the following standards 6.RP.A.3,6.RP.A.3.B,.
1. 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..
2. 6.RP.A.3.B : Solve unit rate problems including those involving unit pricing and constant speed. For example, If it took 7 hours to mow 4 lawns, then at that rate, how many lawns could be mowed in 35 hours? At what rate were lawns being mowed?.