Class 5 Mathematics — Chapter 3: Angles as Turns

What you'll learn

• ▸Understanding Full, Half, and Quarter Turns
• ▸Relating Multiple Quarter and Half Turns
• ▸Identifying Turns in Everyday Objects
• ▸Introduction to Angles (Acute, Right, Obtuse, Straight) through Turns
• ▸Classifying Angles in Geometric Shapes and Real-life Situations
• ▸Creating and Using Angle Measuring Tools
• ▸Measuring and Drawing Angles as Fractional Turns
• ▸Relating Clock Movement to Fractional Turns
• ▸Understanding Clockwise and Anti-clockwise Movement
• ▸Combining Turns and Directions on a Compass

Chapter Summary

--- PAGE 1 --- ChapterChapter Angles as Turns 33 Can you recognise the child in the picture who has made a full turn? Who has made a half turn? How do you know? Discuss in class. Let us play “Statue”. Keep turning around ...STATUE! A B C D A B C D Give examples of real-life situations where you observe turns. Ashutosh and Sahana are making circles, each having one foot fixed and rotating at one spot on the ground. Ashutosh made a complete circle by making a full turn. Sahana is making a half-moon shape with a half turn. The minute hand makes a full turn when it comes back to the initial position. Note for Teachers: Encourage the learners to play the “statue” game. Learners can be asked to rotate themselves around and stop as the teacher announces “statue”. The learners can notice how much they have turned with respect to their original position. --- PAGE 2 --- E A giant wheel makes a full turn when it comes back to the starting position E. Reema takes two half turns in the sa…

Practice Questions from this Chapter

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1. Show acute angles in nature. Get Solution →
2. Explain clockwise movement simply. Get Solution →
3. Identify right angles in my room. Get Solution →
4. What type of turn does Ashutosh make to complete a full circle? Get Solution →
5. What type of angle is formed when a turn is less than a quarter turn? Get Solution →
6. How many quarter turns in the same direction are needed to make a full turn? Get Solution →
7. What is the movement of the hands of a clock called? Get Solution →
8. If the minute hand of a clock moves by 15 minutes, what turn of the circle has it made? Get Solution →

Did you know?

• 💡 A chameleon's eyes can turn independently, seeing in two directions at once.
• 💡 The Earth completes one full turn every 24 hours, creating day and night.
• 💡 Honeybees construct hexagonal honeycomb cells with precise 120-degree angles.
• 💡 The Great Pyramid of Giza has sides angled at exactly 51.8 degrees.
• 💡 A gymnast can perform multiple full turns in the air during a flip.

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