We just started learning about Triangles and how to classify them using the measurements of their sides and interior angles. Interactive Triangles is a neat web site you can check out which allows you to change the angles of a triangle. Make sure you click on the 'Show: Angles' button at the bottom left side of the activity box. You can choose what kind of triangle you want to play with, and watch the angles change as you move it about the screen. Shrink it, stretch it, rotate or flip it!
Parent's Corner: As part of the Ontario Math Curriculum, students in Grade 5 are required to "identify triangles and classify them according to angle and side properties" (p. 82). This interactive activity will give your child an opportunity to practice and develop this skill using a digital 2-D model. Please encourage your child to create one triangle of each classification (scalene, isosceles, equilateral, right, obtuse, and acute) using the web site and have him or her use a protractor to draw those triangles into their Math notebook to share with the class during our next Math lesson. Thank you for your support!
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