â 5th Grade Math · Unit 8
Classifying Shapes
6 short narrated lessons in 1 chapter, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.
Standards: 5.G.B.3 5.G.B.4



What your child will learn
Two-dimensional figures
- Sorting TrianglesClassify triangles by their sides as equilateral, isosceles or scalene and by their angles.
- The Quadrilateral FamilyPlace quadrilaterals like trapezoids, parallelograms, rectangles, rhombuses and squares into a family diagram.
- Shape Features Pass DownExplain that every property of a category also belongs to its subcategories, like all rectangles having four right angles so all squares do too.
- Always, Sometimes or Never?Decide whether statements like a rhombus is a square are always, sometimes or never true.
- Two-Dimensional Figures: Review ReviewReview how two-dimensional figures are sorted into categories and subcategories.
- Unit 8 Test: Classifying ShapesShow what you learned in the whole unit (Two-dimensional figures) by answering mixed questions.
Try a question from this unit
From the lesson âSorting Trianglesâ
A triangle has 3 equal sides. What kind of triangle is it?
Show the answer
Equilateral. A triangle with 3 equal sides is equilateral.
Hint kids see after a wrong try: âWhich name means all sides are the same?â
Key words
- equilateral
- isosceles
- scalene
- quadrilateral
- hierarchy
- attribute
- subcategory
- always
- sometimes
- never
Try these lessons in Kids Shelf
Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.