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Celsius & Fahrenheit conversions

Convert temperatures from degrees Celsius (°C) to degrees Fahrenheit (°F) using F = (9/5)C + 32. Review suitability for your learners before teaching.

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Age band:Ages 7-9 Ages 10-12

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Worksheet StudioPractice pack · Ages 7-9

Celsius & Fahrenheit conversions

Take your time. Show your thinking.

1. Convert a weather reading of 45 °C to degrees Fahrenheit using F = (9/5)C + 32.
45 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
2. Convert a weather reading of -5 °C to degrees Fahrenheit using F = (9/5)C + 32.
-5 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
3. Convert a weather reading of 50 °C to degrees Fahrenheit using F = (9/5)C + 32.
50 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
4. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
60 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
5. Convert a weather reading of 25 °C to degrees Fahrenheit using F = (9/5)C + 32.
25 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
6. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-20 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
7. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
-10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
8. Convert a weather reading of 105 °C to degrees Fahrenheit using F = (9/5)C + 32.
105 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
9. Convert a weather reading of 10 °C to degrees Fahrenheit using F = (9/5)C + 32.
10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
10. Convert a weather reading of 125 °C to degrees Fahrenheit using F = (9/5)C + 32.
125 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
11. Convert a weather reading of 120 °C to degrees Fahrenheit using F = (9/5)C + 32.
120 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
12. Convert a weather reading of 85 °C to degrees Fahrenheit using F = (9/5)C + 32.
85 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…

12 questions · Seed 70 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 7-9

Celsius & Fahrenheit conversions

Answers and reasoning. Review before teaching.

1. Convert a weather reading of 45 °C to degrees Fahrenheit using F = (9/5)C + 32.
113 °F
F = (9 ÷ 5) × 45 + 32 = 81 + 32 = 113 °F.
2. Convert a weather reading of -5 °C to degrees Fahrenheit using F = (9/5)C + 32.
23 °F
F = (9 ÷ 5) × -5 + 32 = -9 + 32 = 23 °F.
3. Convert a weather reading of 50 °C to degrees Fahrenheit using F = (9/5)C + 32.
122 °F
F = (9 ÷ 5) × 50 + 32 = 90 + 32 = 122 °F.
4. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
140 °F
F = (9 ÷ 5) × 60 + 32 = 108 + 32 = 140 °F.
5. Convert a weather reading of 25 °C to degrees Fahrenheit using F = (9/5)C + 32.
77 °F
F = (9 ÷ 5) × 25 + 32 = 45 + 32 = 77 °F.
6. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-4 °F
F = (9 ÷ 5) × -20 + 32 = -36 + 32 = -4 °F.
7. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
14 °F
F = (9 ÷ 5) × -10 + 32 = -18 + 32 = 14 °F.
8. Convert a weather reading of 105 °C to degrees Fahrenheit using F = (9/5)C + 32.
221 °F
F = (9 ÷ 5) × 105 + 32 = 189 + 32 = 221 °F.
9. Convert a weather reading of 10 °C to degrees Fahrenheit using F = (9/5)C + 32.
50 °F
F = (9 ÷ 5) × 10 + 32 = 18 + 32 = 50 °F.
10. Convert a weather reading of 125 °C to degrees Fahrenheit using F = (9/5)C + 32.
257 °F
F = (9 ÷ 5) × 125 + 32 = 225 + 32 = 257 °F.
11. Convert a weather reading of 120 °C to degrees Fahrenheit using F = (9/5)C + 32.
248 °F
F = (9 ÷ 5) × 120 + 32 = 216 + 32 = 248 °F.
12. Convert a weather reading of 85 °C to degrees Fahrenheit using F = (9/5)C + 32.
185 °F
F = (9 ÷ 5) × 85 + 32 = 153 + 32 = 185 °F.

12 questions · Seed 70 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 7-9

Celsius & Fahrenheit conversions

Take your time. Show your thinking.

1. Convert a weather reading of 45 °C to degrees Fahrenheit using F = (9/5)C + 32.
45 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
2. Convert a weather reading of -5 °C to degrees Fahrenheit using F = (9/5)C + 32.
-5 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
3. Convert a weather reading of 50 °C to degrees Fahrenheit using F = (9/5)C + 32.
50 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
4. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
60 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
5. Convert a weather reading of 25 °C to degrees Fahrenheit using F = (9/5)C + 32.
25 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
6. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-20 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
7. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
-10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
8. Convert a weather reading of 105 °C to degrees Fahrenheit using F = (9/5)C + 32.
105 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
9. Convert a weather reading of 10 °C to degrees Fahrenheit using F = (9/5)C + 32.
10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
10. Convert a weather reading of 125 °C to degrees Fahrenheit using F = (9/5)C + 32.
125 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
11. Convert a weather reading of 120 °C to degrees Fahrenheit using F = (9/5)C + 32.
120 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
12. Convert a weather reading of 85 °C to degrees Fahrenheit using F = (9/5)C + 32.
85 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…

12 questions · Seed 70 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 7-9

Celsius & Fahrenheit conversions

Answers and reasoning. Review before teaching.

1. Convert a weather reading of 45 °C to degrees Fahrenheit using F = (9/5)C + 32.
113 °F
F = (9 ÷ 5) × 45 + 32 = 81 + 32 = 113 °F.
2. Convert a weather reading of -5 °C to degrees Fahrenheit using F = (9/5)C + 32.
23 °F
F = (9 ÷ 5) × -5 + 32 = -9 + 32 = 23 °F.
3. Convert a weather reading of 50 °C to degrees Fahrenheit using F = (9/5)C + 32.
122 °F
F = (9 ÷ 5) × 50 + 32 = 90 + 32 = 122 °F.
4. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
140 °F
F = (9 ÷ 5) × 60 + 32 = 108 + 32 = 140 °F.
5. Convert a weather reading of 25 °C to degrees Fahrenheit using F = (9/5)C + 32.
77 °F
F = (9 ÷ 5) × 25 + 32 = 45 + 32 = 77 °F.
6. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-4 °F
F = (9 ÷ 5) × -20 + 32 = -36 + 32 = -4 °F.
7. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
14 °F
F = (9 ÷ 5) × -10 + 32 = -18 + 32 = 14 °F.
8. Convert a weather reading of 105 °C to degrees Fahrenheit using F = (9/5)C + 32.
221 °F
F = (9 ÷ 5) × 105 + 32 = 189 + 32 = 221 °F.
9. Convert a weather reading of 10 °C to degrees Fahrenheit using F = (9/5)C + 32.
50 °F
F = (9 ÷ 5) × 10 + 32 = 18 + 32 = 50 °F.
10. Convert a weather reading of 125 °C to degrees Fahrenheit using F = (9/5)C + 32.
257 °F
F = (9 ÷ 5) × 125 + 32 = 225 + 32 = 257 °F.
11. Convert a weather reading of 120 °C to degrees Fahrenheit using F = (9/5)C + 32.
248 °F
F = (9 ÷ 5) × 120 + 32 = 216 + 32 = 248 °F.
12. Convert a weather reading of 85 °C to degrees Fahrenheit using F = (9/5)C + 32.
185 °F
F = (9 ÷ 5) × 85 + 32 = 153 + 32 = 185 °F.

12 questions · Seed 70 · Age guidance, not curriculum certification