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Lesson Check (3.G.1) 2. How many right angles does this 1. What describes this angle? Write right angle, less than a right shape have? angle, or greater than a right angle. Spiral Review (3. NF.1, 3. NF.3d, 3.G.1) 3. What fraction of the group is shaded? 4. Compare. OOO OOO C + 100 5. What is straight, continues in both 6. How many line segments does this directions, and does not end? shape have? 512B4)) delete Lesson Check (3.G.1) 1. What is a name for this polygon? 2. How many sides does this polygon have? return sh Spiral Review (3.NF.1, 3.G.1) 3. How many right angles does this 4. Erica has 8 necklaces. One fourth of shape have? the necklaces are blue. How many necklaces are blue? 5. What is straight, is part of a line, and 6. What describes this angle? has 2 endpoints? Write right angle, less than a right q Company angle, or greater than a right angle. 516BLesson 12.2 cribe Angles in Plane Shapes COMMON CORE STANDARD-3.G.1 Reason with shapes and their attributes. Use the corner of a sheet of paper to tell whether the angle is a right angle, less than a right angle, or greater than a right angle. m N uper right less than a Less than a right angle right angle angle . Write how many of each type of angle the shape has. + _ right right right less than a right less than a right less than a right greater than greater than greater than a right a right a right Problem Solving world Real 7. Jeff has a square piece of art paper. 8. Kaylee tells Aimee that the shape of a He cuts across it from one corner stop sign has at least one right angle. to the opposite corner to make Aimee says that there are no right two pieces. What is the total number angles. Who is correct? Explain. of sides and angles in both of the new shapes? STOP Houghton Mifflin Harcourt Publishing Company Chapter 12 512A