mathmeatics year 3_rph mass
TRANSCRIPT
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LESSON PLAN
Subject : Mathematics
Year : 3
Topic : Mass
Duration/Time : 60 minutes
Subject Content : Kilogram is a standard unit used to weigh heavy objects, and gram is a standard unit used to weigh light objects.
Learning Outcomes : At the end of the lesson the pupils will be able to:1. Read scales to the nearest division. 2. Measure and record masses of objects using the standard units.
Moral Values : Being Cooperative and helpful
Thinking Skills : Comparing and reasoning.
Teaching Aids : Books, Salt, Sugar, Apple, Marbles weighing instrument, chalks.
Step/Time Skill/Content Teaching and Learning Activities Remark/Resources
Set induction( 5 minutes )
To arouse interest
1. Teacher shows slides of various types of weighing instruments.
2. Teacher talks about the weighing instruments used from the olden days till modern times.
Power PointSlide 2 to slide 5
Step 1 (10 minutes)
To introduce the concept of weight
1. Teacher introduces the concept of weight by comparing two objects; marble and chalk.
2. Students try to guess which object is heavier.3. Teacher puts the two objects onto the equal
arm balance.4. Students now can see which is heavier and
make this conclusion: “The marble is heavier than a piece of chalk.”
Equal arm balance,Marble, Chalk
Step 2(10 minutes)
To introduce the symbol “kg” and “g” and to read scales to the
1. Teacher introduces the symbols for kilograms and grams.
2. Teacher guides students to read the weighing scales to the nearest division.
3. Teacher distributes worksheets and students
Power Point Slide 6 to slide 9Worksheet 1 or power point slide 10 to slide 13
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nearest division
write down the masses of the objects.4. Teacher checks answers with the students.
Step 3(15 minutes)
To measure masses of objects and to record them in kilograms and grams
1. Teacher divides class into 3 groups.2. The group leader will collect all the objects
and weighing scale.3. Students measure the mass of the various
objects and record them in the table provided.
ItemsMass
Salt
Sugar
Apple
Book
5 marbles
4. Teacher goes around checking that the students are weighing and reading the scales correctly.
Weighing scaleSalt, Sugar, Apple,Book, Marbles
Closure(5 minutes)
Game – “Show The Mass.”
1. Students remain in the same group for the game.
2. Teacher distributes picture cards and the face of the weighing scales.
3. Students take turns to read the mass of the objects and turn the pointer to show the correct mass.
Picture cards.Cut-out face of scales
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WORKSHEET
Name : ……………………………………….. Class : 3……...
What is the mass of the following objects ?