4.G.2
Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
| 1. | Thinking It Over... - select true statement | |
| 2. | Comet Corners - identify right angles, true or false | |
| 3. | Take A Corner 1 - identify right angle, direct comparison | |
| 4. | The Right Rights 4 - sort shapes based on number of right angles | |
| 5. | The Right Rights 1 - identify shapes with at least one right angle | |
| 6. | The Right Rights 3 - sort shapes based on number of right angles | |
| 7. | All Sorts Of Shapes - sort shapes based on right angles (at least 1 or none) | |
| 8. | Boxing Shapes 1 - match 2D shapes to descriptions | |
| 9. | Boxing Shapes 3 - match 2D shapes to descriptions | |
| 10. | Boxing Shapes 2 - match 2D shapes to descriptions | |
| 11. | Boxing Shapes 4 - match 2/3D shapes to descriptions | |
| 12. | What Am I? 6 - identify equilateral triangle from clues | |
| 13. | What Am I? 5 - identify shape from clues | |
| 14. | Going, Going GON 2 - identify heptagon from set | |
| 15. | Going, Going, GON 1 - identify hexagon from set | |
| 16. | Stop Right There - match 2D shape to attribute | |
| 17. | Bringing In The Shapes 1 - sort 2D shapes into attribute matrix |