Learn how rates and how they're related to ratios.
Basic rate problems is a free educational video by Khan Academy.It helps students in grades 6 practice the following standards 6.RP.A.2.
1. 6.RP.A.2 : Understand the concept of a unit rate a/b associated with a ratio a:b with b ? 0 (b not equal to zero), and use rate language in the context of a ratio relationship. For example, "This recipe has a ratio of 3 cups of flour to 4 cups of sugar, so there is 3/4 cup of flour for each cup of sugar." "We paid $75 for 15 hamburgers, which is a rate of $5 per hamburger." (Expectations for unit rates in this grade are limited to non-complex fractions.).
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