Related Pages Lesson 15: Solving Equations with Rational NumbersLet’s solve equations that include negative values. Illustrative Math Unit 7.5, Lesson 15 (printable worksheets) Lesson 15 SummaryThe following diagram shows how to solve equations that include rational numbers and have rational solutions. Lesson 15.1 Number Talk: Opposites and ReciprocalsThe variables a through h all represent different
numbers. Mentally find numbers that make each equation true.
Lesson 15.2 Match SolutionsMatch each equation to a value that makes it true by dragging the answer to the corresponding equation. Be prepared to explain your reasoning. Lesson 15.3 Trip to the MountainsThe Hiking Club is on a trip to hike up a mountain.
Are you ready for more?A number line is shown below. The numbers 0 and 1 are marked on the line, as are two other rational numbers a and b.
Lesson 15.4 Card Sort: Matching InversesYour teacher will give you a set of cards with numbers
on them.
Lesson 15 Practice Problems
The Open Up Resources math curriculum is free to download from the Open Up Resources website and is also available from Illustrative Mathematics. Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page. What are rational coefficients?In simple words, the coefficient is defined as the number or term multiplied by the variable. In the case of the rational coefficient, the coefficient multiplied by the variable must be in the form of a fraction. For example, 23x = 8. Here, ⅔ is the rational coefficient of x.
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