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Math Grade K-1 Answer Key

Math: Shapes and Attributes

Identifying 2D and 3D shapes by their features

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Math: Shapes and Attributes

Identifying 2D and 3D shapes by their features

Math - Grade K-1

Instructions: Read each problem carefully. Look at the shape name or description and answer using shape words. Show your work in the space provided.
  1. 1

    A shape has 3 sides and 3 corners. What shape is it?

    Count the sides and corners.

    The shape is a triangle because triangles have 3 sides and 3 corners.
  2. 2

    A shape has 4 equal sides and 4 corners. What shape is it?

    The shape is a square because squares have 4 equal sides and 4 corners.
  3. 3

    A shape is round and has no corners. What shape is it?

    Think of a ball drawn flat on paper.

    The shape is a circle because circles are round and have no corners.
  4. 4

    A shape has 4 sides. Two long sides match, and two short sides match. What shape is it?

    The shape is a rectangle because rectangles have 4 sides with opposite sides equal.
  5. 5

    How many sides does a triangle have?

    Say the shape name and count.

    A triangle has 3 sides.
  6. 6

    How many corners does a square have?

    A square has 4 corners.
  7. 7

    How many sides does a circle have?

    A circle is curved all the way around.

    A circle has 0 straight sides.
  8. 8

    Name a shape with 4 sides and 4 corners.

    A square is one shape with 4 sides and 4 corners. A rectangle also fits this description.
  9. 9

    A cube has flat faces. Name a real object shaped like a cube.

    Think of a block or a game piece.

    A die is shaped like a cube because it has 6 square faces.
  10. 10

    A sphere is round all over. Name a real object shaped like a sphere.

    A ball is shaped like a sphere because it is round all over.
  11. 11

    A cone has a point and a round base. Name a real object shaped like a cone.

    Think of a treat you can hold.

    An ice cream cone is shaped like a cone because it has a pointed end and a round base.
  12. 12

    A cylinder has 2 flat circular ends and one curved side. Name a real object shaped like a cylinder.

    A soup can is shaped like a cylinder because it has 2 flat circular ends and one curved side.
  13. 13

    Which shape has no corners: triangle, square, or circle?

    Look for the round shape.

    The circle has no corners.
  14. 14

    Which shape has 3 corners: rectangle or triangle?

    The triangle has 3 corners.
  15. 15

    Draw a shape with 4 sides. Write its name.

    You can draw a square or a rectangle.

    A correct answer could be a square or a rectangle. Both shapes have 4 sides.
LivePhysics.com Math - Grade K-1 - Answer Key