📐 Part 1: Angle Vocabulary and Types

1. Match each angle type with its correct description:

1. Acute angle

2. Right angle

3. Obtuse angle

4. Straight angle

A. Exactly 90°

B. Less than 90°

C. Exactly 180°

D. Between 90° and 180°

2. Circle the correct answer: What is the sum of angles around a point?

90°

180°

270°

360°

3. Circle the correct answer: What is the sum of angles on a straight line?

90°

180°

270°

360°

🔍 Part 2: Angle Measurement Practice

4. Use your protractor to measure these angles. Write your answers to the nearest degree:

Angle A: ______° Type: ____________

Angle B: ______° Type: ____________

Angle C: ______° Type: ____________

5. Draw the following angles using your protractor:

a) Draw a 45° angle

b) Draw a 120° angle

c) Draw a 90° angle

🧮 Part 3: Angle Relationships and Calculations

6. Find the missing angles. Show your working:

Two angles on a straight line: 65° and x°

x = ______°

7. Calculate the missing angle around a point:

Four angles around a point: 90°, 85°, 110°, and y°

y = ______°

8. Vertically opposite angles are equal. Find the missing angles:

If one angle is 75°, its vertically opposite angle is ______°

If the adjacent angles are equal, they each measure ______°

🏠 Part 4: Real-Life Angle Hunt

9. Look around your classroom or home. Check all the places where you can find examples of angles:

Corners of books

Window frames

Door hinges

Scissors when open

Clock hands

Roof lines

10. Describe one real-life example where you might need to measure angles accurately:

11. Draw a sketch of an object from your environment that shows angles at a point, on a straight line, or vertically opposite angles. Label the angles:

🤔 Part 5: Reflection and Problem Solving

12. Fill in the blanks using the correct angle vocabulary:

When two straight lines intersect, they form four angles. The angles opposite each other are called _____________ angles and they are always _______. The angles next to each other are called _____________ angles and they add up to _______°.

13. Problem solving challenge: A pizza is cut into 5 equal slices. What is the angle of each slice?

Each slice = ______°

14. Explain in your own words why it's useful to understand angles in everyday life: