It takes the average reader 3 hours and 51 minutes to read A Focus on Ratios and Proportions by Marjorie M. Petit
Assuming a reading speed of 250 words per minute. Learn more
This resource offers a groundbreaking effort to make mathematics education research on ratios and proportions readily accessible and understandable to preservice and in-service teachers of grades 6 to 8. Using extensive annotated samples of student work and based on research gathered in the Ongoing Assessment Project (OGAP), A Focus on Ratios and Proportions teaches readers how students develop understanding and fluency involving ratio and proportion concepts. Special features include: A close focus on student work, including 150+ annotated pieces of student work, to help teachers improve...
A Focus on Ratios and Proportions by Marjorie M. Petit is 226 pages long, and a total of 57,856 words.
This makes it 76% the length of the average book. It also has 71% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 5 hours and 16 minutes to read A Focus on Ratios and Proportions aloud.
A Focus on Ratios and Proportions is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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