Students calculated the area of their Tangram character from earlier this week, see previous posts. Students calculated the area of the common shapes (square, parallelogram, and triangles) and added up the areas to get the area of their character (irregular shape). Those students that finished calculating the area of the irregular shaped character got their work checked by Mrs. Arcuri and then started painting their character.
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We further discussed how to calculate the area of irregular shapes from last class and looked at more examples.
Some students wrote the Math Gauss Contest. We reviewed area of common shapes (square, rectangle, parallelogram, triangle, trapezoid, and circle), which then lead to a lesson on how to calculate the area of irregular shapes like the tangram character, which is made from common shapes. We looked at a few examples and we will continue this next class. Students started a formula sheet for area and perimeter of shapes, click here.
We reviewed how to determine the third side of a triangle using Pythagoras Theory. This skill helped us determine a side of an irregular shape in some cases. Students completed the Perimeter worksheet on whiteboards in the form of speed dating. Click here for the worksheet
Students measured and calculated the perimeter of their Tangram character.
We read the picture book "Grandfather Tang's Story" and students created the characters from the story using tangram pieces. This allowed students to use their hands and a visual picture to introduce two dimensional shapes, which is a review of grade 6 and 7 concepts. Each student picked their favorite character from the story and traced their tangram character onto paper, which we will use later to determine the perimeter and area of.
Have you started studying for your final exam coming up June 2nd and 3rd? Click here to see some practice questions from your textbook to help you study. Remember that all the answers are in the back of the textbook.
Today there were many students absent for the Shakespeare Festival and Leadership students at Giants Head Elementary. Students that were present worked on a fun puzzle and practice questions for the final exam. We read the story Spaghetti and Meatballs to help define the difference between perimeter and area. Students justified the best arrangement of tables to seat 32 people using the concepts of perimeter and area. See clip below if you were away! Students wrote a quiz on multi step algebra and Pythagorean questions.
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June 2015
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Photo used under Creative Commons from Maxim34374