Which Deal Is Really Better? Ratio and Unit Rate Reasoning
Guided Lesson · ≈ 45 min · Grade 6 · Math · Ohio
What the teacher typed
- What should students learn?
- Use ratio and unit rate reasoning to compare quantities in real situations.
- Anything I should know?
- “This is my after-lunch group, they need to be up and moving.”
Ready to teach
- Learning objective set
- Lesson plan written
- Standards tagged· 2 tagged
- Class time estimated
Example
Grade 6 · Math
Ohio
One short sentence about how the room behaves, and the shape of the lesson changes.
A real run through the product — the lesson, its materials and its adaptation, exactly as the teacher received them.
Matched from the objective against Ohio’s own standards — the teacher didn’t pick these.
Understand the concept of a unit rate ratio a : b with b ≠ 0, 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.”
6.RP.2 · Ohio's Learning Standards: Mathematics (2017)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 a. Make tables of equivalent ratios relating quantities with whole number measurements; find missing values in the tables; and plot the pairs of values on the coordinate plane. Use tables to compare ratios. 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? c. Find a percent of a quantity as a rate per 100, e.g., 30% of a quantity means 30 /100 times the quantity; solve problems involving finding the whole, given a part and the percent. d. Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when multiplying or dividing quantities.
6.RP.3 · Ohio's Learning Standards: Mathematics (2017)
Ohio's Learning Standards for Mathematics. © Ohio Department of Education and Workforce. Incorporates the Common Core State Standards © 2010 National Governors Association Center for Best Practices and Council of Chief State School Officers. Adapted from the Common Core State Standards. © 2010 National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Reproduced/adapted as adopted into state standards.
Yours would be about your class.
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