Our worldAges 7-9

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.

New variation Try interactive challenge Browse templates

Age band:Ages 7-9 Ages 10-12

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 7-9

Celsius & Fahrenheit conversions

Take your time. Show your thinking.

1. Convert a weather reading of 65 °C to degrees Fahrenheit using F = (9/5)C + 32.
65 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
2. Convert a weather reading of 40 °C to degrees Fahrenheit using F = (9/5)C + 32.
40 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
3. Convert a weather reading of 105 °C to degrees Fahrenheit using F = (9/5)C + 32.
105 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
4. Convert a weather reading of 70 °C to degrees Fahrenheit using F = (9/5)C + 32.
70 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
5. Convert a weather reading of 0 °C to degrees Fahrenheit using F = (9/5)C + 32.
0 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
6. Convert a weather reading of 30 °C to degrees Fahrenheit using F = (9/5)C + 32.
30 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
7. Convert a weather reading of 15 °C to degrees Fahrenheit using F = (9/5)C + 32.
15 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
8. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-20 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
9. Convert a weather reading of 35 °C to degrees Fahrenheit using F = (9/5)C + 32.
35 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
10. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
-10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
11. Convert a weather reading of -15 °C to degrees Fahrenheit using F = (9/5)C + 32.
-15 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
12. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
60 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…

12 questions · Seed 104761 · 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 65 °C to degrees Fahrenheit using F = (9/5)C + 32.
149 °F
F = (9 ÷ 5) × 65 + 32 = 117 + 32 = 149 °F.
2. 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.
3. 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.
4. Convert a weather reading of 70 °C to degrees Fahrenheit using F = (9/5)C + 32.
158 °F
F = (9 ÷ 5) × 70 + 32 = 126 + 32 = 158 °F.
5. 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.
6. Convert a weather reading of 30 °C to degrees Fahrenheit using F = (9/5)C + 32.
86 °F
F = (9 ÷ 5) × 30 + 32 = 54 + 32 = 86 °F.
7. Convert a weather reading of 15 °C to degrees Fahrenheit using F = (9/5)C + 32.
59 °F
F = (9 ÷ 5) × 15 + 32 = 27 + 32 = 59 °F.
8. 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.
9. Convert a weather reading of 35 °C to degrees Fahrenheit using F = (9/5)C + 32.
95 °F
F = (9 ÷ 5) × 35 + 32 = 63 + 32 = 95 °F.
10. 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.
11. 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.
12. 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.

12 questions · Seed 104761 · 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 65 °C to degrees Fahrenheit using F = (9/5)C + 32.
65 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
2. Convert a weather reading of 40 °C to degrees Fahrenheit using F = (9/5)C + 32.
40 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
3. Convert a weather reading of 105 °C to degrees Fahrenheit using F = (9/5)C + 32.
105 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
4. Convert a weather reading of 70 °C to degrees Fahrenheit using F = (9/5)C + 32.
70 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
5. Convert a weather reading of 0 °C to degrees Fahrenheit using F = (9/5)C + 32.
0 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
6. Convert a weather reading of 30 °C to degrees Fahrenheit using F = (9/5)C + 32.
30 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
7. Convert a weather reading of 15 °C to degrees Fahrenheit using F = (9/5)C + 32.
15 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
8. Convert a weather reading of -20 °C to degrees Fahrenheit using F = (9/5)C + 32.
-20 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
9. Convert a weather reading of 35 °C to degrees Fahrenheit using F = (9/5)C + 32.
35 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
10. Convert a weather reading of -10 °C to degrees Fahrenheit using F = (9/5)C + 32.
-10 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
11. Convert a weather reading of -15 °C to degrees Fahrenheit using F = (9/5)C + 32.
-15 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…
12. Convert a weather reading of 60 °C to degrees Fahrenheit using F = (9/5)C + 32.
60 °C · 9 · 5 · 32 · Celsius & Fahrenheit conve…

12 questions · Seed 104761 · 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 65 °C to degrees Fahrenheit using F = (9/5)C + 32.
149 °F
F = (9 ÷ 5) × 65 + 32 = 117 + 32 = 149 °F.
2. 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.
3. 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.
4. Convert a weather reading of 70 °C to degrees Fahrenheit using F = (9/5)C + 32.
158 °F
F = (9 ÷ 5) × 70 + 32 = 126 + 32 = 158 °F.
5. 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.
6. Convert a weather reading of 30 °C to degrees Fahrenheit using F = (9/5)C + 32.
86 °F
F = (9 ÷ 5) × 30 + 32 = 54 + 32 = 86 °F.
7. Convert a weather reading of 15 °C to degrees Fahrenheit using F = (9/5)C + 32.
59 °F
F = (9 ÷ 5) × 15 + 32 = 27 + 32 = 59 °F.
8. 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.
9. Convert a weather reading of 35 °C to degrees Fahrenheit using F = (9/5)C + 32.
95 °F
F = (9 ÷ 5) × 35 + 32 = 63 + 32 = 95 °F.
10. 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.
11. 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.
12. 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.

12 questions · Seed 104761 · Age guidance, not curriculum certification