Problems with Ratios

Find here a complete instructional activity dealing with the equations and graphs of proportional relationships, as well as what each individual point on such a graph represents. It may appeal to girls in particular, as the data details...

Take young mathematicians' understanding of percents into the real world with this series of word problems. Involving a variety of contexts from calculating scores on math tests and savings account interest, to determining sale prices...

This is an opportunity for young mathematicians to apply reasoning to solve real-world problems with ratios. Even though there are three candidates for class president, students will only consider two at a time, making the first problem...

Is it possible that 8:4, 8/4, and 8 to 4 all mean the same thing? Young mathematicians explore the idea of a ratio. They then use their understanding of equivalence to solve for an unknown value in proportion. 

This turn-key unit on ratios and unit rates walks through a 30-lesson unit on teaching proportional reasoning, with each lesson broken into detailed teaching notes and time allotments for all parts. An unbelievable resource when taken...

Rates, ratios, and proportions get the star treatment in this detailed and extensive pre-algebra unit. The main performance activity comes in several parts and thoroughly covers much of the standard curriculum involving proportional...

The local swim team is the basis for this extensive worksheet on ratios, rates, and proportional reasoning. From the gender ratio of the team, to the cost comparison of uniforms, and the speeds of the athletes, learners manipulate...

Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...

Here is another opportunity for math students to apply reasoning to solve real-world problems with ratios. The ratio of the number of votes for two candidates is provided. Your class is asked to use this ratio and information given about...

This comprehensive unit on proportional thinking is an excellent resource for any middle-school math class, whether added wholesale to the curriculum or used to supplement existing material. Lead-in problems and activities culminate in a...