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Fractions > Ratio, Rate, Proportion > See How It Works
This collection of twelve ratio, rate, and proportion problems was contributed by expert Dr. Jim Lewis and includes his comments on solutions and notes about the potential difficulties students may...
Sample Material
Participants in the Understanding Ratios development session worked with this set of problems to strengthen their conceptual understandings. See Focus on Ratios for additional background. Related...
This PowerPoint outlines the content of a development session for math coaches and teachers on teaching ratios, rates, and proportions. Understanding Ratios shows a portion of the workshop in which...
As seen in Cross-Multiply? Not So Fast, this PowerPoint presents a series of real-world problems that students need to solve using their knowledge of ratios. Related Media and...
This worksheet provides practice problems that encourage students to use build-up strategies when working on ratio problems as shown in Cross-Multiply? Not So Fast. Related Media and...
Students use counters or blocks to work out their responses to three problems and then represent their answers as shown in Cross-Multiply? Not So Fast. Related Media and Files: Cross-Multiply?...
Fractions > Fractions Operations > See How It Works
Participants in the Multiply or Divide? staff development session on fraction operations worked with this problem set to strengthen their understanding of fraction multiplication and division...
This PowerPoint covers the content of a staff development session for math coaches and teachers about how to teach fraction operations. Multiply or Divide? shows a portion of the workshop in which...
Students use this worksheet to record findings from exploration with Cuisenaire Rods as they build a foundation for working with equivalent fractions. Their work is shown in Solving a Real-World...
Students work on this set of real-world problems about placing homeless dogs in animal shelters. The problems require comparison of fractions as seen in Grade 5 Number Talk. Related Media and...
Fractions > Fractions as Numbers > See How It Works
Dr. Brendefur uses two context problems to distinguish between partitive and measurement fraction problems. These two slides illustrate the differences between the two problems and demonstrate the...
View a problem assigned to elementary school students that required the use of a double number line, and the solutions that groups of students developed. View the students working on the problem in...
