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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 10-12

Celsius & Fahrenheit conversions

Take your time. Show your thinking.

1. Convert a weather reading of 40 °C to degrees Fahrenheit using F = (9/5)C + 32.
40 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
2. Convert a weather reading of 80 °C to degrees Fahrenheit using F = (9/5)C + 32.
80 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
3. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
60 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
4. Convert a weather reading of 75 °C to degrees Fahrenheit using F = (9/5)C + 32.
75 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
5. Convert a weather reading of -15 °C to degrees Fahrenheit using F = (9/5)C + 32.
-15 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
6. Convert a weather reading of 120 °C to degrees Fahrenheit using F = (9/5)C + 32.
120 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
7. Convert a weather reading of 55 °C to degrees Fahrenheit using F = (9/5)C + 32.
55 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
8. Convert a weather reading of 100 °C to degrees Fahrenheit using F = (9/5)C + 32.
100 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
9. Convert a weather reading of 0 °C to degrees Fahrenheit using F = (9/5)C + 32.
0 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
10. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-20 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
11. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
-10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
12. Convert a weather reading of 115 °C to degrees Fahrenheit using F = (9/5)C + 32.
115 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…

12 questions · Seed 101 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 10-12

Celsius & Fahrenheit conversions

Answers and reasoning. Review before teaching.

1. Convert a weather reading of 40 °C to degrees Fahrenheit using F = (9/5)C + 32.
104 °F
F = (9 ÷ 5) × 40 + 32 = 72 + 32 = 104 °F.
2. Convert a weather reading of 80 °C to degrees Fahrenheit using F = (9/5)C + 32.
176 °F
F = (9 ÷ 5) × 80 + 32 = 144 + 32 = 176 °F.
3. 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.
4. Convert a weather reading of 75 °C to degrees Fahrenheit using F = (9/5)C + 32.
167 °F
F = (9 ÷ 5) × 75 + 32 = 135 + 32 = 167 °F.
5. Convert a weather reading of -15 °C to degrees Fahrenheit using F = (9/5)C + 32.
5 °F
F = (9 ÷ 5) × -15 + 32 = -27 + 32 = 5 °F.
6. 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.
7. Convert a weather reading of 55 °C to degrees Fahrenheit using F = (9/5)C + 32.
131 °F
F = (9 ÷ 5) × 55 + 32 = 99 + 32 = 131 °F.
8. Convert a weather reading of 100 °C to degrees Fahrenheit using F = (9/5)C + 32.
212 °F
F = (9 ÷ 5) × 100 + 32 = 180 + 32 = 212 °F.
9. Convert a weather reading of 0 °C to degrees Fahrenheit using F = (9/5)C + 32.
32 °F
F = (9 ÷ 5) × 0 + 32 = 0 + 32 = 32 °F.
10. 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.
11. 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.
12. Convert a weather reading of 115 °C to degrees Fahrenheit using F = (9/5)C + 32.
239 °F
F = (9 ÷ 5) × 115 + 32 = 207 + 32 = 239 °F.

12 questions · Seed 101 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Celsius & Fahrenheit conversions

Take your time. Show your thinking.

1. Convert a weather reading of 40 °C to degrees Fahrenheit using F = (9/5)C + 32.
40 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
2. Convert a weather reading of 80 °C to degrees Fahrenheit using F = (9/5)C + 32.
80 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
3. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
60 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
4. Convert a weather reading of 75 °C to degrees Fahrenheit using F = (9/5)C + 32.
75 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
5. Convert a weather reading of -15 °C to degrees Fahrenheit using F = (9/5)C + 32.
-15 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
6. Convert a weather reading of 120 °C to degrees Fahrenheit using F = (9/5)C + 32.
120 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
7. Convert a weather reading of 55 °C to degrees Fahrenheit using F = (9/5)C + 32.
55 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
8. Convert a weather reading of 100 °C to degrees Fahrenheit using F = (9/5)C + 32.
100 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
9. Convert a weather reading of 0 °C to degrees Fahrenheit using F = (9/5)C + 32.
0 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
10. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-20 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
11. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
-10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
12. Convert a weather reading of 115 °C to degrees Fahrenheit using F = (9/5)C + 32.
115 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…

12 questions · Seed 101 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Celsius & Fahrenheit conversions

Answers and reasoning. Review before teaching.

1. Convert a weather reading of 40 °C to degrees Fahrenheit using F = (9/5)C + 32.
104 °F
F = (9 ÷ 5) × 40 + 32 = 72 + 32 = 104 °F.
2. Convert a weather reading of 80 °C to degrees Fahrenheit using F = (9/5)C + 32.
176 °F
F = (9 ÷ 5) × 80 + 32 = 144 + 32 = 176 °F.
3. 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.
4. Convert a weather reading of 75 °C to degrees Fahrenheit using F = (9/5)C + 32.
167 °F
F = (9 ÷ 5) × 75 + 32 = 135 + 32 = 167 °F.
5. Convert a weather reading of -15 °C to degrees Fahrenheit using F = (9/5)C + 32.
5 °F
F = (9 ÷ 5) × -15 + 32 = -27 + 32 = 5 °F.
6. 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.
7. Convert a weather reading of 55 °C to degrees Fahrenheit using F = (9/5)C + 32.
131 °F
F = (9 ÷ 5) × 55 + 32 = 99 + 32 = 131 °F.
8. Convert a weather reading of 100 °C to degrees Fahrenheit using F = (9/5)C + 32.
212 °F
F = (9 ÷ 5) × 100 + 32 = 180 + 32 = 212 °F.
9. Convert a weather reading of 0 °C to degrees Fahrenheit using F = (9/5)C + 32.
32 °F
F = (9 ÷ 5) × 0 + 32 = 0 + 32 = 32 °F.
10. 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.
11. 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.
12. Convert a weather reading of 115 °C to degrees Fahrenheit using F = (9/5)C + 32.
239 °F
F = (9 ÷ 5) × 115 + 32 = 207 + 32 = 239 °F.

12 questions · Seed 101 · Age guidance, not curriculum certification