Lesson Planning of Quadrilaterals Family Subject Mathematics Grade 5th

 

Lesson Planning of Quadrilaterals Family

Subject Mathematics

Grade 5th

Students` Learning Outcomes

  • Recognize the kinds of quadrilaterals (Square, Rectangle, Parallelogram, Rhombus, Trapezium and kite).

Information for Teachers

Quadrilaterals:

  • A closed figure with four sides and sum of its all interior angles is 3600

Square:

  • All sides are of the same length.

  • Opposite sides are parallel
  • There are four right angles
  • Diagonals are equal.

Parallelogram:

  • Opposite sides are parallel.
  • Opposite sides are of same length.
  • Consecutive angles are supplementary (their sum is equal to 1800)
  • All quadrilaterals, except for trapezium and kite are considered parallelograms.

Rectangles:

  • Opposite sides are of the same length and parallel.

  • There are four right angles.
  • Consecutive angles are supplementary.
  • Diagonals are equal.

Rhombuses:

  • Parallelogram with four equal sides and equal opposite angles.
  • Opposite sides are parallel.
  • Diagonals are not equal.

Trapezium:

  • Have only two parallel sides (one pair)

Kite:

  • Have two pairs of equal (adjacent) sides.

  • Each angles is less than 1800)

  • Consult text book at all the steps wherever required.

Material / Resources

Writing board, chalk / maker, duster, one figure drawn on A4 paper. (One or two sets according to strength), scissor, geometry box, textbook

  • Following pictures distribute among students and ask are these triangles.
  • If they say “NO” then ask them why they said not and then introduce that Close-shape with four sides is known as quadrilateral.
  • Introduce name of each of quadrilaterals with following figures i.e., square, rhombus, trapezoid, rectangle. However, don`t explain the properties of these.

Development

Activity 1

  • Write names of all five quadrilaterals on board.
  • Divide the class into 5 or 10 groups and give each group a sheet with one quadrilateral on it.
  • Students need to name their quadrilateral, as specially as possible, and then cut it out.
  • Use rulers and protractors to draw and measure diagonals and angles. Find as many relationships as possible between opposite sides, opposite angles, and diagonals.
  • Ask them to find answer of following questions:
  • Relation between lengths of sides
  • Relation between angles
  • Find supplementary angles.
  • Number of parallel pairs
  • Ask each group to record its findings and write inside the shape.
  • Invite one presenter in front of class and present the quadrilateral given to that group..
  • Distribute a worksheet or draw the given table on board and then check mark each characteristic for reinforcement.
  • Teacher leads students to recognize relationships between quadrilaterals and fill the table.
  • Ask them to look for things similar to these quadrilaterals and write their names. This can be given as Home work as well.

  • Wrap up the activity by drawing each figure on board and repeating its characteristics with whole class.

Sum up / Conclusion

  • Quadrilateral just means “four sides” (quad means four, lateral means side).
  • Any four-sided shape is a Quadrilateral.
  • But the sides have to be straight, and it has to be 2-dimensional.

Properties:

  • Four sides (or edges)
  • The interior angles add up to 360 degrees.

Types of Quadrilateral:



Assessment

  • “Name that Quadrilateral”

  • Is it a square or a rhombus?
  • Draw a Trapezoid on board and ask why it is not a Rhombus?
  • (Students will have to decide after thinking about properties of both. Similarly you can give questions for any of two shapes.)
  • Conduct a game in class “Pass Word”. One group will give clues to the other group and they have to find the figure.
  • Prepare True / false questions, such as; every rectangle is a parallelogram. True / False
  • Every square is a quadrilateral. True / False
  • A rhombus is a kite also. True / False
  • Involve the students in solving the exercise questions given at the end of the lesson of text book.

Follow up

  • Tick the appropriate box according to the given pictures below.

Quadrilaterals

 

Parallelogram

Rectangle

Rhombus

Square

Kite

Opposite sides parallel

 

 

 

 

 

Opposite sides equal

 

 

 

 

 

Opposite angles equal

 

 

 

 

 

Consecutive angles supplementary

 

 

 

 

 

four right-angles

 

 

 

 

 

four equal sides

 

 

 

 

 

diagonals bisect each other

 

 

 

 

 

diagonals congruent

 

 

 

 

 

diagonals perpendicular

 

 

 

 

 

Diagonals angle bisect.

 

 

 

 

 

 

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