Learn how to use equivalent rates to solve problems involving rates. We also make tables of equivalent ratios (actually rates) relating two quantities (price per kg) and compare them.
A set of equivalent rates, such as a set of times & distances when someone goes with a constant speed, gives us a set of NUMBER PAIRS which we can then plot as points on the coordinate plane. We end up with points that look like they're on a LINE... (line - LINEAR - it's a linear relationship).In this video, we first plot a set of equivalent rates having to do a boy riding a bicycle with constant speed. Then we plot TWO sets of equivalent rates - prices per kg - and compare them. (CCSS 6.RP.A.3.a)
Word problems involving unit rates — video lesson
Math Mammoth Grade 6 curriculum
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