Lesson video for 'Solve ratio problems using a tape diagram'
-
This lesson builds on students' understanding of ratios by using a recipe to calculate unit ratios from fractional amounts. Students use ratios and proportional reasoning to correct a cooking error which relates to unit ratios. Students use strategies ...
- Created by Cheryl Shay
-
Big Ideas: Ratios are multiplicative relationships between two or more quantities that are related. Ratios describe a relationship that remains constant as total quantities are increased or decreased. Ratio relationships can be described as part-to-par...
- Created by Terri McComb
-
Big Ideas: Ratio reasoning can be used to generate equivalent ratios to solve ratio problems. Solving ratio problems requires attending to the relationships between part:part and part:total quantities. In this lesson, students will apply their understa...
- Created by Terri McComb
-
Big Ideas: Ratio and rates are multiplicative comparisons between two or more quantities, or they are a joining of those quantities in a composed unit. Unit rates answer the question how many (or how much) for 1. Unit rates are easier for us to general...
- Created by Barbara Delaney
-
Comparing speeds by using unit rates Archived
Big Ideas: Unit rates make it easy to compare rates of speed. Tape diagrams are a visual tool that can be used to compare unit rates when one of the units is distance. This lesson builds upon an understanding of equivalent fractions and ratio reasoning...
- Created by Tifin Calcagni