Tuesday, February 5, 2013

WMS: Math quiz tomorrow. Tonight's practice.

Dear families,

Tonight students have some homework to get ready for the quiz tomorrow. Tonight's homework asks the students to plot coordinates of shapes on a coordinate grid and then to find the area and perimeter of those shapes.

I asked students tonight to finish the Level 3.5 questions. They can use graph paper in their math notebooks to make a set of axes that go from -10 to +10 on the x and y axes. Students who seek to get a 4 should complete the level 4 questions to prepare.

Tonight's Practice: [link]
Answer Key: [link]

For perimeter estimates, students just use scrap paper to mark off the lengths of the sides, then compare those to the grid the shape is drawn on to estimate side lengths. I used the pythorean theorem to calculate those distances, so student estimates might not match these calculated sizes precisely. If students are 0.5 units under or 0.5 units above my calculated perimeters, their estimate is just fine. If they are farther off than that, they may want to recheck their measurements.

Tomorrow's quiz will NOT require points to be plotted. That is something that belongs to the common core state standards that we are moving toward and I will want to assess that separately. 

Thank you for your time and support of your child,

Brian MacNevin

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