1 Building with Triangles: What Can You Build With Two Triangles? Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades PreK–2 Professional Commentary: In this first of four lessons related to triangles, students use multiple cutouts of triangles to form and name other geometric shapes. An activity sheet, solutions, and problem extensions are included.... 2 Building with Triangles: How Do You Build Triangles? Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades K–5 Professional Commentary: In this second of four lessons related to triangles, students use pattern block cutouts to form triangles in a variety of ways. An activity sheet, solutions, and problem extensions are included.... 3 It's a Perfect Fit - Part 2 - Shaping Up Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades PreK–2 Professional Commentary: Using square tiles, students begin the lesson by finding all of the different rectangles that can be made from 12 squares. Students then experiment with pattern blocks to find all of the different ways to use triangles, rhombi, and trapezoids to cover rhombi, trapezoids, and hexagons.... Resource Type: Instructional Resource -- Promising Practice Discipline: Mathematics Ohio Standards Alignment: Grades PreK–2 Professional Commentary: In this first of five lessons related to football, students identify geometric shapes on a football field. Some of the shapes are overlapping or rotated in orientation.... 5 Developing Geometry Understandings and Spatial Skills through Puzzlelike Problems with Tangrams: Tangram Puzzles Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 1–5 Professional Commentary: Describing figures and visualizing what they look like when they are transformed through rotations or flips or are put together or taken apart in different ways are important aspects of geometry in the lower grades. In this first of two related activities, students can choose a picture and use all seven tangram pieces to fill in the outline.... 6 Developing Geometry Understandings and Spatial Skills through Puzzlelike Problems with Tangrams: Tangram Challenges Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades 1–5 Professional Commentary: Describing figures and visualizing what they look like when they are transformed through rotations or flips or are put together or taken apart in different ways are important aspects of geometry in the lower grades. In this second of two related activities, students can choose a polygon and use all seven tangram pieces to fill in the outline.... Resource Type: Content Resource Discipline: Mathematics Ohio Standards Alignment: Grades K–8 Professional Commentary: This tool allows you to create any geometric shape imaginable. Squares, triangles, rhombi, trapezoids and hexagons can be created, colored, enlarged, shrunk, rotated, reflected, sliced, and glued together.... 8 NAEP Assessment Item, Grade 4: Assemble Pieces to Form Shape Resource Type: Assessment Resource Discipline: Mathematics Ohio Standards Alignment: Grades K–4 Professional Commentary: Students must use 4 of 6 paper shapes to form a hexagon drawn for them. They must sketch lines to show how the pieces meet and label the figures.... 9 Grandfather Tang's Story : A Tale Told With Tangrams Resource Type: Professional Resource Discipline: Mathematics Ohio Standards Alignment: Grades K–2 Professional Commentary: In this book Grandfather Tang tells Little Soo a story about animals, each of which is depicted by a tangram figure. The tangram pieces are outlined in the figures so that students can try to replicate the puzzles.... 10 NAEP Assessment Item, Grade 4: Asssemble Pieces to Form Shape Resource Type: Assessment Resource Discipline: Mathematics Ohio Standards Alignment: Grades PreK–4 Professional Commentary: Students must form a square using two paper isosceles right triangles. They must trace the square and sketch a line to show how the triangles meet.... |