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Question
Collect some leaves from the garden. Color each leaf and print it. Look at the angles on the leaves. Which of them are more/less than a right angle?
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Solution
The goal of this question is to get students to take notice of their surroundings. It is strongly advised that the students prepare their own answers.
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Look at the angles in the pictures and fill the table.
| Angle | Right Angle | More than a right angle |
Less than a right angle |
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There are many times in a day when the hands of a clock make a right angle. Now you draw some more.
What fraction of a clockwise revolution does the hour hand of a clock turn though, when it goes from 7 to 10?
Which direction will you face if you start facing east and make `1/2` of a revolution clockwise?
Which direction will you face if you start facing south and make one full revolution? (Should we specify clockwise or anti-clockwise for this last question? Why not?)
Find the number of right angles turned through by the hour hand of a clock when it goes from 3 to 6.
Find the number of right angles turned through by the hour hand of a clock when it goes from 5 to 11.
Find the number of right angles turned through by the hour hand of a clock when it goes from 12 to 9.
How many right angles do you make if you start facing south and turn clockwise to the west?
Classify the following angle as right, straight, acute, obtuse, or reflex:
