Subject
Grade
Concept/Content
numerical proportional reasoning (rates, ratio, proportions, and percent)
Elaboration
- two-term and three-term ratios, real-life examples and problems
- A string is cut into three pieces whose lengths form a ratio of 3:5:7. If the string was 105 cm long, how long are the pieces?
- creating a cedar drum box of proportions that use ratios to create differences in pitch and tone
- paddle making
keywords
proportional reasoning