Wendy Petti is the creator of the award-winningMath CatsWeb site, author ofExploring Math with MicroWorlds EX(LCSI, 2005), and a frequent presenter at regional and national math and technology conferences. She teaches grade 4 math atWashington International School. Adapt number tricks for younger...
Overall, 10 classes took part in the study. Randomization to experimental and control conditions was done at the classroom level, because classrooms are considered ecologically valid units of measurement in the field of education (Hedges & Rhoads, 2010). One fifth grade and one sixth grade class...
Wendy Petti is the creator of the award-winningMath CatsWeb site, author ofExploring Math with MicroWorlds EX(LCSI, 2005), and a frequent presenter at regional and national math and technology conferences. She teaches grade 4 math atWashington International School. Math autobiography This is a g...
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In our study of election math, I reproduced circles divided into ten sections to help students set up pie graphs of polling data so they could visualize percentages as parts of a whole. My fourth-grade students were able to get a handle on some applied fifth grade math skills in that way...