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Math Grade 2-3 Answer Key

Quadrilaterals: Squares, Rectangles, Rhombuses, and Trapezoids

Identify and describe four-sided shapes

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Quadrilaterals: Squares, Rectangles, Rhombuses, and Trapezoids

Identify and describe four-sided shapes

Math - Grade 2-3

Instructions: Read each problem carefully. A quadrilateral has 4 straight sides. A trapezoid has one pair of opposite sides that are parallel. Show your work in the space provided.
  1. 1

    Look at the shape. How many sides and how many vertices does it have? Is it a quadrilateral?

    The shape has 4 sides and 4 vertices, so it is a quadrilateral.
  2. 2

    Look at the picture with three shapes. Which shape is the square?

    A square has sides that are all the same length.

    The square is the shape with 4 equal sides and 4 square corners.
  3. 3

    Mia draws a shape with 4 straight sides and 4 square corners. The opposite sides are equal, but not all 4 sides are equal. What shape did Mia draw?

    A square has all 4 sides equal, but this shape does not.

    Mia drew a rectangle because it has 4 square corners and opposite sides that are equal.
  4. 4

    Is every square a quadrilateral? Explain your answer.

    Yes, every square is a quadrilateral because a square has 4 straight sides.
  5. 5

    Look at the diamond-shaped figure. It has 4 equal sides. What quadrilateral is it?

    A rhombus can look like a tilted square, but its corners do not have to be square corners.

    The figure is a rhombus because it has 4 equal sides.
  6. 6

    Look at the shape with a short top side and a long bottom side. The top and bottom sides are parallel. What quadrilateral is it?

    Parallel sides go in the same direction and do not meet.

    The shape is a trapezoid because it has one pair of opposite sides that are parallel.
  7. 7

    Circle the quadrilaterals in this list: square, triangle, rectangle, pentagon, rhombus.

    Count the number of straight sides in each shape.

    The quadrilaterals are square, rectangle, and rhombus because each has 4 sides.
  8. 8

    Draw a shape with 4 equal sides and 4 square corners. What is the name of your shape?

    The shape is a square because it has 4 equal sides and 4 square corners.
  9. 9

    A rectangle has how many straight sides?

    A rectangle has 4 straight sides.
  10. 10

    Tell one way a square and a rectangle are alike. Tell one way they are different.

    Think about sides and corners.

    A square and a rectangle are alike because both have 4 sides and 4 square corners. They are different because a square has 4 equal sides, but a rectangle can have 2 long sides and 2 short sides.
  11. 11

    A shape has 4 sides and 4 vertices. Could it be a circle? Explain why or why not.

    No, it could not be a circle because a circle has no straight sides and no vertices.
  12. 12

    Name a real-life object that is shaped like a rectangle.

    A door can be shaped like a rectangle because it has 4 sides and 4 square corners.
  13. 13

    I am a quadrilateral. I have one pair of opposite sides that are parallel. My top side is shorter than my bottom side. What shape am I?

    Look for the shape that has one pair of sides going in the same direction.

    The shape is a trapezoid because it has one pair of opposite sides that are parallel.
  14. 14

    True or false: A rhombus must have 4 equal sides. Explain your answer.

    True. A rhombus must have 4 equal sides.
  15. 15

    Look at the picture. How many quadrilaterals are shown?

    Do not count shapes that do not have exactly 4 straight sides.

    There are 4 quadrilaterals shown: the square, rectangle, rhombus, and trapezoid.
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