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TIPS4Math Grade 5 Angles and Geometric Properties of 2D Shapes Overall Expectation Students will: • Identify and classify two-dimensional shapes by side and angle properties, and compare and sort three-dimensional figures Specific Expectations Students will: • Distinguish among polygons, regular polygons, and other two-dimensional shapes (5m49) • Identify and classify acute, right, obtuse, and straight angles (5m51) • Measure and construct angles up to 90º, using a protractor (5m52) • Identify triangles (i.e., acute, right, obtuse, scalene, isosceles, equilateral), and classify them according to angle and side properties (5m53) • Construct triangles, using a variety of tools, given acute or right angles and side measurements (5m54) Lesson Learning Focus Regular Polygons and Other Two-Dimensional Shapes Measure and Construct Angles • • Classify two-dimensional shapes that are regular and irregular polygons (closed figure, 3 or more straight sides and angles) Measure and construct angles up to 90 degrees using a protractor Identify and Classify Angles • • Investigate different angles in polygons Identify and classify acute, right, obtuse and straight angles Properties of Triangles • Construct Triangles • • • Measure length of sides of different triangles and classify (scalene, isosceles, equilateral) Measure angles in different triangles and classify (acute, right, obtuse) Investigate symmetry of triangles (help identify side properties and angles) Construct triangles using, a variety of tools (e.g., protractor, compass, geometry software), given properties of a triangle Specific Expectations 5m49 5m51 5m52 5m49 5m51 5m52 5m53 5m54 Consolidation and Summative Tasks EduGAINS-Mathematics Page 1 of 7 TIPS4Math Regular Polygons and Other Two-Dimensional Shapes Specific Expectations: 5m49 Learning Focus Minds On • Action • Blended Learning Identify two-dimensional shapes that are not polygons (e.g., circles, ovals, organic shapes, semi-circle, open shapes) Classify two-dimensional shapes that are regular and irregular polygons (closed figure, 3 or more straight sides and angles) Grade 5 Other Resources Teacher Guide Unit 3 Activity 4: Three Dimensional Figures OERB ID: ELO1476830 Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 • pp 14 -30 The Big Ideas in Geometry and Spatial Sense • pp 38 – 52 Learning About Two - Dimensional Shapes Unit 3 Activity 4: Minds On • Geo-Nuts Part 1 Two-Dimensional Shapes OERB ID : ELO1414630 o sort two-dimensional shapes NCTM Illuminations • Working with Shapes Consolidation Specific Expectations: 5m51, 5m52 Learning Focus Minds On Action Measure and Construct Angles • Review benchmark angles and their measures • Measure and construct angles up to 90 degrees using a protractor Blended Learning Teacher Guide Unit 3 Activity 1: Types of Triangles OERB ID: ELO1476830 Other Resources Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 • pp 79 – 90 Two – Dimensional Shapes Comparing Angles Unit 3 Activity 1: Action OERB ID : ELO1476660 • How to Measure Angles Note: supplementation required for constructing angles and further measuring practice Consolidation EduGAINS-Mathematics Page 2 of 7 TIPS4Math Identify and Classify Angles Specific Expectations: 5m49, 5m51, 5m52 Learning Focus Minds • Measure and construct angles On Action • Investigate different angles in • Blended Learning Grade 5 Other Resources polygons Identify and classify acute, right, obtuse and straight angles Consolidation Specific Expectations: 5m53 Learning Focus Minds On Action Properties of Triangles Blended Learning Teacher Guide Unit 3 Activity 1: Types of Triangles OERB ID: ELO1476830 Unit 3 Activity 1: Minds On OERB ID: ELO1476660 • Comparing triangle through similarities and differences Unit 3 Activity 1: Action • Acute Connie’s Triangle Talk OERB ID: ELO1414650 o reviews angle names and introduces triangle types Other Resources Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 • pp 79 – 90: Grade 5 Learning Activity: Two - Dimensional: Shapes Comparing Angles Note: supplementation required for investigating symmetry of triangles, measuring angles and side lengths to classify triangles Consolidation EduGAINS-Mathematics Page 3 of 7 TIPS4Math Specific Expectations: 5m54 Learning Focus Minds On • Action • Construct Triangles Blended Learning Teacher Guide Unit 3 Activity 1: Types of Triangles OERB ID: ELO1476830 Review the properties of various types of triangles (side lengths, angle measures, symmetry) Construct triangles using, a Unit 3 Activity 1: Action variety of tools (e.g., protractor, • Triangle construction using virtual geoboard compass, geometry software), o construct, measure angles and classify given properties of a triangle 4 different triangles OERB ID: ELO1476660 Consolidation Grade 5 Other Resources Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 • pp 14 – 30 The Big Ideas in Geometry and Spatial Sense • pp 38 – 52 Learning About Two - Dimensional Shapes Note: supplementation required for constructions using other tools Unit 3 Activity 1: Consolidation • Discussion: Can you have a triangle which is both isosceles and right? Note: encourage reasoning through construction EduGAINS-Mathematics Page 4 of 7 TIPS4Math Consolidation & Summative Tasks Specific Expectations: 5m49, 5m51, 5m52, 5m53, 5m54 Blended Learning Unit 3 Activity 1: Consolidation • Assignment 1: Identifying Triangles o create triangle riddles which include angle and side length clues EduGAINS-Mathematics Grade 5 Other Resources Page 5 of 7 TIPS4Math Regular Polygons and Other Two-Dimensional Shapes Resource URL Teacher Guide: Unit 3 Activity 4: Three Dimensional Figures Geo-Nuts Part 1 Two-Dimensional Shapes Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 NCTM Illuminations: Working with Shapes Grade 5 https://download.elearningontario.ca/repository/14/1476830000/GRD5MTHEU06A06/content_4. html https://download.elearningontario.ca/repository/14/1476690000/GRD5MTHEU03A04/mme/Gr5_ Math_Geo_GeoNutsPart12D/Gr5_Math_Geo_TwoDShapes_OF/Driscoll_Gr5GeoNutsPt1.html http://oame.on.ca/eduproject/ontariomathedresources/files/Guide%20Geometry%20Spatial%20 Sense%204-6.pdf https://illuminations.nctm.org/Lesson.aspx?id=1794 Measure and Construct Angles Resource URL Teacher Guide: Unit 3 Activity 1: Types of Triangles Unit 3 Activity 1: Action Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 EduGAINS-Mathematics https://download.elearningontario.ca/repository/14/1476830000/GRD5MTHEU06A06/content.html https://download.elearningontario.ca/repository/14/1476660000/GRD5MTHEU03A01/content_2. html http://oame.on.ca/eduproject/ontariomathedresources/files/Guide%20Geometry%20Spatial%20 Sense%204-6.pdf Page 6 of 7 TIPS4Math Properties of Triangles Resource Teacher Guide: Unit 3 Activity 1: Types of Triangles Unit 3 Activity 1: Minds On Acute Connie’s Triangle Talk Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 Construct Triangles Resource Teacher Guide Unit 3 Activity 1: Types of Triangles Unit 3 Activity 1: Action Unit 3 Activity 1: Consolidation Guide to Effective Instruction: Geometry and Spatial Sense Grades 4-6 Grade 5 URL https://download.elearningontario.ca/repository/14/1476830000/GRD5MTHEU06A06/content.html https://download.elearningontario.ca/repository/14/1476660000/GRD5MTHEU03A01/content.html https://download.elearningontario.ca/repository/14/1476660000/GRD5MTHEU03A01/mme/Gr5_ Math_Geo_AcuteConnieTriTalk/Gr5_Geo_AcuteConniesTriangleTalk/Driscoll_Gr5GeoTriangleTalk. html http://oame.on.ca/eduproject/ontariomathedresources/files/Guide%20Geometry%20Spatial%20 Sense%204-6.pdf URL https://download.elearningontario.ca/repository/14/1476830000/GRD5MTHEU06A06/content.html https://download.elearningontario.ca/repository/14/1476660000/GRD5MTHEU03A01/content_2. html https://download.elearningontario.ca/repository/14/1476660000/GRD5MTHEU03A01/content_3. html http://oame.on.ca/eduproject/ontariomathedresources/files/Guide%20Geometry%20Spatial%20 Sense%204-6.pdf Consolidation and Summative Tasks Resource URL Unit 3 Activity 1: Consolidation EduGAINS-Mathematics https://download.elearningontario.ca/repository/14/1476660000/GRD5MTHEU03A01/content_3. html Page 7 of 7