Measuring Angles and Temperature

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📐 Part 1: Angle Knowledge and Measurement

1. Match each angle type to its correct measurement range:

Acute angle

Right angle

Obtuse angle

Straight angle

Reflex angle

90°

0° to 90°

180°

90° to 180°

180° to 360°

2. A clock shows 3:00. What type of angle is formed between the hour and minute hands?

Acute angle

Right angle

Obtuse angle

Straight angle

3. Estimate the size of these angles, then write what type each one is:

Angle A: ______° Type: ________________

Angle B: ______° Type: ________________

Angle C: ______° Type: ________________

4. Using your protractor, measure the angles in the diagrams provided by your teacher. Record your measurements to the nearest degree:

🌡️ Part 2: Temperature Measurement

5. Circle the most reasonable temperature for each situation:

a) A hot summer day in Auckland: 5°C or 25°C or 45°C

b) Water freezing point: 0°C or 32°C or 100°C

c) A fever temperature: 18°C or 37°C or 39°C

d) Snow conditions: -2°C or 15°C or 30°C

6. The temperature at 6am was 3°C. By midday it had risen by 12°C, then dropped by 7°C by 6pm. What was the temperature at 6pm?

7. Read the thermometer readings shown by your teacher and record them here:

Thermometer 1: ______°C

Thermometer 2: ______°C

Thermometer 3: ______°C

🔧 Part 3: Practical Applications

8. A carpenter needs to cut wood at a 45° angle. Draw what this angle would look like and explain why accuracy is important:

9. The weather forecast shows temperatures dropping from 8°C to -3°C overnight. How many degrees will the temperature drop? Show your working.

10. Look around the classroom and identify three different angles. Estimate their measurements and classify them:

Object 1: _________________ Estimated angle: ______° Type: ________________

Object 2: _________________ Estimated angle: ______° Type: ________________

Object 3: _________________ Estimated angle: ______° Type: ________________

11. Explain in your own words why we use degrees (°) for angles and degrees Celsius (°C) for temperature. What tools do we use to measure each?

Measuring Angles and Temperature

Measuring Angles and Temperature

📐 Part 1: Angle Knowledge and Measurement

🌡️ Part 2: Temperature Measurement

🔧 Part 3: Practical Applications

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