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E:\Working\Focus_Learning\Math_Genius_1_(05-10-2023)\Open_Files\12_Chap_11\Chap_11
\ 11-Sep-2024 Bharat arora Proof-6 Reader’s Sign _______________________ Date __________
Learning by Doing
Objective: To show the correct time
Materials required: Round paper plates (numbers 1 to 12 written
on it along the boundary at equal gaps), two cardboard strips of
different lengths and glue stick.
Note: The length of each strip must be less than the radius of the paper plate.
Procedure:
Divide the class into groups of two.
Each group should have 5 paper plates (numbers 1 to 12 written on it) and
5 sets of cardboard strips (each set contains two strips of different lengths).
The teacher calls out a time, say 3 o’clock.
The group takes one set of cardboard strips and pastes the
smaller strip on the paper plate from centre of it pointing to 3 10 11 12 1 2
(as shown) 9 3
Then the group takes the bigger strip and pastes it on the paper 8 7 6 5 4
plate from centre to number 12 (as shown). 3 o’clock
In the same way, the teacher calls out 4 more time and the group or 3:00
shows the correct time using paper plates and cardboard strips.
Mental Maths
Name the months in which we celebrate:
1. New year 2. Holi 3. Teacher’s Day 4. Christmas
_____________ _____________ _____________ _____________
Brain Sizzlers
1. How many times does a clock show the same time in a day? ______________
Why? ______________________________________________________
2. How many hours are there in a day? ___________________
158 Mathematics-1
