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Fractions gain traction with real-life models

August 27, 2013
Concordia University
For children to understand math, teachers must constantly make the connection between abstract numbers and real world examples, new research shows.

If 3 is greater than 2, then must be bigger than -- right? Wrong. As thousands of students head back to school next week, many will use exactly that kind of thinking when faced with fractions for the first time. New research from Concordia University shows that for children to understand math, teachers must constantly make the connection between abstract numbers and real world examples.

Helena Osana, associate professor in Concordia's Department of Education, and PhD candidate Nicole Pitsolantis put this theory to the test in a classroom of fifth and sixth graders. Their findings -- published in the professional journal Teaching Children Mathematics, as well as in the British Journal of Educational Psychology -- show students understand math much more clearly when teachers use pictures and concrete models to demonstrate what fractions actually mean.

Those connections are even stronger when the model is personally meaningful to the students. Write out '' on the blackboard and the concept is not so clear. Show kids of a shoelace or talk about running ⅓of the way to school and suddenly they get it.

Although teachers already use models when talking about fractions -- for instance, to show a picture of a pie with slices eaten -- they often put them away too quickly. To prove that the constant use of models made a bigger impact, Osana and Pitsolantis tried teaching with models for only part of the lesson and then the entire lesson.

They found that students showed much greater understanding when the models were continually present. "Our study shows teachers should not only include pictures and models while teaching fractions, but also have them side by side throughout the class while continually making clear connections between the concepts and the models," says Osana.

The lessons produced by this research have the potential to go beyond the classroom. "This is something not only useful for teachers but also for parents," says Osana. "Because children are studying fractions, parents think they're not able to help. But parents can have positive effect on learning too. Something as simple as writing '' out on a piece of paper, then demonstrating what it means to use of a cup of sugar, or filling up the gas tank until it reaches the mark, then writing and pointing to the numbers ',' can really go a long way towards demystifying math," she says.

Pitsolantis, who also teaches fourth and fifth grade math at Lower Canada College in Montreal, says that the depth of misunderstanding that happens when models are abandoned surprised her. She and Osana are now testing out how teachers can successfully incorporate concrete models into other grades.

Story Source:

The above story is based on materials provided by Concordia University. Note: Materials may be edited for content and length.

Cite This Page:

Concordia University. "Fractions gain traction with real-life models." ScienceDaily. ScienceDaily, 27 August 2013. <www.sciencedaily.com/releases/2013/08/130827160512.htm>.
Concordia University. (2013, August 27). Fractions gain traction with real-life models. ScienceDaily. Retrieved August 1, 2014 from www.sciencedaily.com/releases/2013/08/130827160512.htm
Concordia University. "Fractions gain traction with real-life models." ScienceDaily. www.sciencedaily.com/releases/2013/08/130827160512.htm (accessed August 1, 2014).

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