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Hillsborough County Public Schools Elementary Mathematics Parent Connection Grade 2 – Unit 9: Geometry and Fractions In this unit your child will work to build an understanding of the Geometry and Fractions. Your child will recognize and draw shapes having specified attributes such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons and cubes. Partition a rectangle into rows and columns of same-size squares and count to find the total number of them. Partition circles and rectangles into two, three or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Your child will also recognize that equal shares of identical wholes do not need to be the same shape. Recognizing and drawing shapes: o Your child will be able to draw shapes based on given attributes. For example: I have 6 sides and six angles. What polygon am I? Angle o Students will draw a Hexagon. Vertex Side Name Triangle Sides Angles Vertices 3 3 3 Quadrilateral 4 4 4 Pentagon 5 5 5 Hexagon 6 6 6 Shape Partitioning Rectangles into Rows and Columns. o Your child will partition (cut) rectangles in rows and columns to count how many same size squares. Columns are vertical and go up and down. Rows are horizontal and go across. Partition circles and rectangles into equal shares. o Your child will partition (cut) circles and rectangles into equal parts and name the equal parts as halves, thirds, and fourths. Other Helpful Links: Interactive websites: https://goo.gl/Q4wR7x This QR Code or link can be used to view a video explaining how to describe the fraction of a rectangle by counting the unit fractions. Identify Plane Shapes http://goo.gl/y6CtHS Sort Plane Shapes http://goo.gl/HcpC94 Partition Shapes http://goo.gl/Ycb4Bo Sample tasks your child should be able to work through by the end of the unit: Linda cut this shape into half. What is another way she could cut the shape in half? I am a pentagon. How many sides and vertices do I have? I have 4 sides and 4 vertices. What shape am I? Purposeful Practice you and your child may work on at home together. Using toothpicks or pretzel sticks, have your child create shapes based on the following riddles: o I have 3 sides and 3 vertices. What shape am I? (Triangle). o I have more than 3 sides and less than 5 sides. What shape am I? (Quadrilateral) o I have six vertices. What shape am I? (Hexagon) o I have an even number of sides and vertices. What shapes could I be? (Quadrilateral, Hexagon, Octagon) o Can a polygon have 2 sides and 2 vertices? Explain why or why not. (No, polygons are closed figures made up of line segments. If a shape has 2 sides and 2 vertices, it is not a closed figure therefore it cannot be a polygon.) Identify objects around your house broken into equal parts. (Example: Graham crackers, couch cushions etc.) Have your child name how many equal parts. A graham is partitioned (broken into) eight equal parts.