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McKenzie-3rd Grade Math Week 1

Added Jul 02, 2020 •

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3rd Grade Math Week 1

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understanding the properties of shape for this week is understand that shakes and categories may share a and to find a larger category vocabulary angle one of the corners of a shape where to sign any characteristic of an object or shape rectangle a quadrilateral with four square corners opposite are the same length rhombus is a parallelogram with four equal sides pentagon a pentagon is a two-dimensional closed figure or shape with exactly 5 sides and 5 angles and I laughed so Cavallari where are you hexagon shape exactly now your new instruction book begin on page 330 how do you say can I help you today if you look at each of these words you see the prefix underline each prefix tells you the number of sides and the number of angles of a triangle a triangle has three sides and three angles do you have quad quadrilateral a quadrilateral has four and four angles we have 5 senses on has 5 sides empava Ingles 1 2 3 4 and 5 over here we have a hexagon so we have one two three four five six sides and six angles text Terrapin say 7 you have 7 sides and 7 angles on a heptagon octagon 8 we have a son and we have eight can you think of any shape that has a different number of sides and angles is going to have the same number of sides and the same number of angles are there other way to describe the sky okay let's go outside okay sides with all different lengths scalene triangle scalene means that no sides are the same length two or more sides the same length here we have an isosceles triangle are the same length look at your rectangle your top and bottom are the same length two or more sides the same length do we have where are all the time at the same length of a square a rhombus has all sides the same length your left and right sides are the same length and they are opposite now let's look at the corner here we have square corner and no square corners you can look at its shape and see if corner is flat butt down here we have a rectangle that has square corners so we can group shape into category a category square corners are no square corners this is your right angle so that you know this is a right angle here you have a tiny angle this is your acute angle a little acute angle here we have obtuse obtuse in the corner angle now let's compare it to shake okay here we have a triangle and here we have a rectangle have at least one square corner okay your triangle has a it's a right triangle and then your rectangle has a square corner so you have the triangles and the rectangle all square corners does the triangle have a square corner but up here you do not have a square Corner don't have a square corner here so we can include it what about the rectangle are all the corner Square we would have rectangle here all the same length if you look at the triangle your left side or your height and your bae these are the same length so we can put triangle because it does have sides that are the same length what about your rectangle top and bottom of the same link right of the same length what about the same length are the opposite sides of a triangle the same length what about your rectangle top bottom left right so we would include erect let's do another one here we have a rhombus notice all sides are the same length rhombus here we have a triangle no Square Corner because we have all the sides the same length. What can we put here for all sides to be the same length can we include the rectangle what about does not belong in the category with the same length we would put the triangle here because it does not have all the sides the same length so it would be in the category now all sides are different which one of these has all sides different we talked about the rhombus having all sides the same length as okay so we will put a triangle here now can you think of a group we're both of these shapes we can't do what about no square corners this shape does not have any square corners does not have square corners in the category no square corners look at that we have a right triangle and we have an obtuse triangle we're looking at whether you can tell me about these shapes how many times exercise 1 2 3 how many angles 1 2 3 you have any square corners what about sides that are the same length we have these sides same length all right 123 eigel we have no square corners so that would be zero what about sides that are the same length that would be zero now you should be able to complete your problem solving pages in your problem-solving book you should be working pages 349-2354 in your problem-solving book

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