Grade 6 Mathematics Module 1, Topic C, Overview

Girl at Desk

In Topic C, students build further on their understanding of ratios and the value of a ratio as they come to understand that a ratio of 5 miles to 2 hours corresponds to a rate of 2.5 miles per hour, where the unit rate is the numerical part of the rate, 2.5, and miles per hour is the newly formed unit of measurement of the rate (6.RP.2).  Students solve unit rate problems involving unit pricing, constant speed, and constant rates of work (6.RP.3b).  They apply their understanding of rates to situations in the real world.  Students determine unit prices and use measurement conversions to comparison shop, and decontextualize constant speed and work situations to determine outcomes.  Students combine their new understanding of rate to connect and revisit concepts of converting among different-sized standard measurement units (5.MD.1).  They then expand upon this background as they learn to manipulate and transform units when multiplying and dividing quantities (6.RP.3d).  Topic C culminates as students interpret and model real-world scenarios through the use of unit rates and conversions. 

Downloadable Resources

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Common Core Learning Standards

CCLS State Standard
6.RP.2 Understand the concept of a unit rate a/b associated with a ratio a:b with b ≠ 0, and use rate...
6.RP.3.b Solve unit rate problems including those involving unit pricing and constant speed. For example, if...
6.RP.3.d Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when...

Curriculum Map