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A Detailed Lesson Plan in Mathematics VI ( Volume of a Rectangular prism)

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- 1. A Demonstration Lesson Plan In Mathematics VI I. Learning objectives - II. After 60 minutes of discussion, pupils are expected to: a. describe a rectangular prism. b. identify the different dimensions of rectangular prism. c. make use of the formula V= l x w x h in finding the volume of a rectangular prism. d. solve for the volume of a given rectangular prism. e. perform unity in group discussion. Learning Content Topic: Volume of Rectangular Prism References: Geometry III page 34; Mathematics for a better life IV page 236 – 237 Materials: Jigsaw puzzle, rectangular prisms, Cartolina, Manila paper, marker, chalk and Blackboard. Value: Unity III. Learning Experiences A. Preparatory Activities 1. Greetings 2. Checking of Attendance 3. Checking of Assignments
- 2. Teacher’s Activities Pupil’s Activities Class, I had given you an assignment Yes Sir! right? ( Pupils will exchange their notebook s) Bring-out your assignment and exchange notebook with your seatmates Anyone of you who can solve for the (Selected pupil will solve for the volume of the given cube, in your volume of the given Cube.) assignment, in the board? V= s x s x s V = 4 cm x 4 cm x 4cm V= 16 cm x 4 cm V= 64 cm Very good! Explain your work. (Pupil will explain his or her work.) Very good! 4. Review Class we’ve tackled yesterday about volume of a cube. Who can give me again the formula we can use to find the volume of a cube. V=sxsxs Very good. I have a cube here. It’s side is equal to 3 cm. What would be its volume? Anyone of you who can solve for the volume the given cube on the board? Very good. 5. Motivation Class, have you ever played a Jigsaw puzzle? Ok, I have 7 sets of jigsaw puzzle here. Each group will be given one set of it. Form the puzzle as fast as you can. The fastest who can form the puzzle and post it on the board is the winner of the game. The winner will be receive an additional 5 points in our activity later. Setting of Standard (Selected pupil will solve for the volume of the given rectangular prism.) V=3cm x 3cm x 3 cm V= 9 cm x 3 cm V = 27 cm Yes Sir!
- 3. (Remember that you should work as a group or team. The noisy group/s will be disqualified to our game) A Rectangular Prism Sir! (After 2 minutes declare the winner) What kind of spatial figure you have formed? Very good. And that is our lesson for today: SOLVING FOR THE VOLUME OF A RECTANGULAR PRISM
- 4. B. Developmental Activities 1. Presentation Teacher’s Activities Pupil’s Activities What can you say about this Rectangular The rectangular prism has 3 prism? dimensions. Very good! And what are these (Selected pupil will give one of the dimensions? three dimension) 1. Length 2. Width 3. Height Very good! ( Refer to the jigsaw Puzzle)) Anyone of you who can point out which (Selected pupils will point out the is the length of the figure? three dimensions on the How about the width? Rectangular Prism in the jigsaw How about the height? Puzzle) Well done! Therefore class we have identified the different dimensions of the rectangular prism and these are the length, width and the height. What do you think now is the formula in getting the volume of a Rectangular Prism? V= L x W x H Very good! I have here a Rectangular Prism. Its length is equals to 7 cm, its width is equals to 5 cm and its height is equals to 3 cm. What would be its volume? Let’s try to get the volume of this rectangular prism using the formula you had given and using the given value. Ok, so what are the given values? Give one Very good! So we have now the following given: L= 7cm W= 5cm H= 3cm L= 7cm W=5cm H= 3 cm
- 5. Let us now apply the formula you identify a while ago. Again what is the formula again? Very good! And that is the first step right? Ok. After identifying the formula to use in getting the volume of a Rectangular Prism, what would be the next step? Let us now substitute the given values on the formula. V=LxWxH Very good! And after substituting the given values, what would be the next step? Perform the indicated operation. And what is the operation? Multiplication Sir! Very good! So 7cm x 5 cm is equal to? 35 cm And 35 cm x 3 cm is equal to? 105 cm Yes Sir! Substitute the given values V = 7 cm x 5 cm x 3 cm Very good! Therefore the volume of this rectangular prism is 105 cubic centimeters. Again what is the unit of measure used in finding the volume of any spatial figure? In Cubic centimeters Sir! Ok, do you want another example? Yes Sir! Ok, so suppose that the length of this Rectangular Prism is 4 cm; the width is 5 cm; and the height is 3 cm, what would be its Volume? Again class what is the first step in getting the volume of any spatial figure? Identify the formula we are going to use. Very good! And after that step what would be the second step? Substitute the given values! Very good! And the third step is? Perform the given or indicated operation!
- 6. Multiplication Sir! And what is the operation? Box your final answer. Very good! After performing the indicated operation/s what would be the last step? Very good! 3cm 5 cm 4 cm V=LxWxH V = 4 cm x 5 cm x 3 cm V = 20 cm x 3 cm V = 60 cm 2. Enrichment Activity Very good! Let us have another figure 2 cm 4 cm 8cm ( the second problem will solve by the selected pupils in the board) (s/he explain his answer ) V=LxWxH V= 8 cm x 4 cm x 2 cm V =32 cm x 2 cm V = 64 cm Well done! Let us give her/him 5 claps! Did you understand our lesson for today? Are there still any questions regarding to our topic for today which is the volume of a rectangular prism? Yes Sir! None Sir!
- 7. 3. Generalization What are the three dimensions of a Rectangular prism? Length Width Height How do we get the Volume of a Rectangular Prism? By using V= L x W x H Very good! the formula
- 8. 4. Application Find the volume of the following rectangular prism. Fill in the box below the corresponding letter of your correct answers to reveal the hidden word. Write your complete solution on the Manila paper. Post your work on the board. The fastest group who will post their work on the board and will complete the hidden word within the allotted time will have the chance to explain their work on the front and will get additional points in our group activity tomorrow. Standards: - You should work as a team. - Show your complete Solution on the Manila paper and post it on the board. - The noisy group/s will be disqualified to our game. 5 1. 1 3 2 4 4. 10 cm 7 cm 2. Y – 189 cm N – 720 cm 5. T – 240 cm 6 cm 4 cm 3. U – 96 cm I – 364 cm Values - How does unity helps you in your group activity?
- 9. IV. Evaluation o Identify the following given and find the Volume of the following Rectangular Prism. 1. 2. 3. 4. 5.
- 10. V. Assignment o Identify the following given and find the Volume of the following Rectangular Prism. 1. 2. 3. 4. 5. Prepared by: Jhon Michael C. Riño

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