â 3rd Grade Math · Unit 7
Shapes and Perimeter
10 short narrated lessons in 2 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.
Standards: 3.G.A.1 3.MD.D.8
What your child will learn
Shapes
- QuadrilateralsRecognize quadrilaterals as shapes with four sides and four angles.
- Rhombuses, Rectangles and SquaresDescribe rhombuses, rectangles and squares by their sides and angles.
- Sorting ShapesSort shapes by shared attributes and see that different shapes can be in the same group.
- Shapes Review ReviewReview quadrilaterals and how to sort shapes by attributes.
Perimeter
- What Is Perimeter?Understand perimeter as the distance around a shape.
- Finding PerimeterFind the perimeter of a shape by adding its side lengths.
- The Case of the Missing SideFind an unknown side length when the perimeter is known.
- Same Fence, Different RoomShow that rectangles can have the same perimeter but different areas, and the other way around.
- Perimeter Review ReviewReview perimeter and how it differs from area.
- Unit 7 Test: Shapes and PerimeterShow what you learned in the whole unit (Shapes, Perimeter) by answering mixed questions.
Try a question from this unit
From the lesson âQuadrilateralsâ
How many sides does every quadrilateral have?
Show the answer
4. Every quadrilateral has 4 straight sides.
Hint kids see after a wrong try: âQuad means...â
Key words
- quadrilateral
- angle
- rhombus
- rectangle
- square
- attribute
- category
- perimeter
- side length
- unknown
- area
Try these lessons in Kids Shelf
Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.
