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River basin drainage density

Divide total stream length (km) by catchment area (km²) to calculate river basin drainage density. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 13-15

River basin drainage density

Take your time. Show your thinking.

1. A river basin has a total stream length of 245 km and a drainage area of 35 km². Calculate its drainage density in km/km².
245 km · 35 km² · River basin drainage density
2. A river basin has a total stream length of 56 km and a drainage area of 8 km². Calculate its drainage density in km/km².
56 km · 8 km² · River basin drainage density
3. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
40 km · 10 km² · River basin drainage density
4. A river basin has a total stream length of 256 km and a drainage area of 32 km². Calculate its drainage density in km/km².
256 km · 32 km² · River basin drainage density
5. A river basin has a total stream length of 120 km and a drainage area of 24 km². Calculate its drainage density in km/km².
120 km · 24 km² · River basin drainage density
6. A river basin has a total stream length of 192 km and a drainage area of 48 km². Calculate its drainage density in km/km².
192 km · 48 km² · River basin drainage density
7. A river basin has a total stream length of 133 km and a drainage area of 19 km². Calculate its drainage density in km/km².
133 km · 19 km² · River basin drainage density
8. A river basin has a total stream length of 156 km and a drainage area of 39 km². Calculate its drainage density in km/km².
156 km · 39 km² · River basin drainage density
9. A river basin has a total stream length of 36 km and a drainage area of 9 km². Calculate its drainage density in km/km².
36 km · 9 km² · River basin drainage density
10. A river basin has a total stream length of 220 km and a drainage area of 44 km². Calculate its drainage density in km/km².
220 km · 44 km² · River basin drainage density
11. A river basin has a total stream length of 15 km and a drainage area of 5 km². Calculate its drainage density in km/km².
15 km · 5 km² · River basin drainage density
12. A river basin has a total stream length of 72 km and a drainage area of 9 km². Calculate its drainage density in km/km².
72 km · 9 km² · River basin drainage density

12 questions · Seed 66 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

River basin drainage density

Answers and reasoning. Review before teaching.

1. A river basin has a total stream length of 245 km and a drainage area of 35 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 245 ÷ 35 = 7 km/km².
2. A river basin has a total stream length of 56 km and a drainage area of 8 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 56 ÷ 8 = 7 km/km².
3. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 40 ÷ 10 = 4 km/km².
4. A river basin has a total stream length of 256 km and a drainage area of 32 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 256 ÷ 32 = 8 km/km².
5. A river basin has a total stream length of 120 km and a drainage area of 24 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 120 ÷ 24 = 5 km/km².
6. A river basin has a total stream length of 192 km and a drainage area of 48 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 192 ÷ 48 = 4 km/km².
7. A river basin has a total stream length of 133 km and a drainage area of 19 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 133 ÷ 19 = 7 km/km².
8. A river basin has a total stream length of 156 km and a drainage area of 39 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 156 ÷ 39 = 4 km/km².
9. A river basin has a total stream length of 36 km and a drainage area of 9 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 36 ÷ 9 = 4 km/km².
10. A river basin has a total stream length of 220 km and a drainage area of 44 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 220 ÷ 44 = 5 km/km².
11. A river basin has a total stream length of 15 km and a drainage area of 5 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 15 ÷ 5 = 3 km/km².
12. A river basin has a total stream length of 72 km and a drainage area of 9 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 72 ÷ 9 = 8 km/km².

12 questions · Seed 66 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

River basin drainage density

Take your time. Show your thinking.

1. A river basin has a total stream length of 245 km and a drainage area of 35 km². Calculate its drainage density in km/km².
245 km · 35 km² · River basin drainage density
2. A river basin has a total stream length of 56 km and a drainage area of 8 km². Calculate its drainage density in km/km².
56 km · 8 km² · River basin drainage density
3. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
40 km · 10 km² · River basin drainage density
4. A river basin has a total stream length of 256 km and a drainage area of 32 km². Calculate its drainage density in km/km².
256 km · 32 km² · River basin drainage density
5. A river basin has a total stream length of 120 km and a drainage area of 24 km². Calculate its drainage density in km/km².
120 km · 24 km² · River basin drainage density
6. A river basin has a total stream length of 192 km and a drainage area of 48 km². Calculate its drainage density in km/km².
192 km · 48 km² · River basin drainage density
7. A river basin has a total stream length of 133 km and a drainage area of 19 km². Calculate its drainage density in km/km².
133 km · 19 km² · River basin drainage density
8. A river basin has a total stream length of 156 km and a drainage area of 39 km². Calculate its drainage density in km/km².
156 km · 39 km² · River basin drainage density
9. A river basin has a total stream length of 36 km and a drainage area of 9 km². Calculate its drainage density in km/km².
36 km · 9 km² · River basin drainage density
10. A river basin has a total stream length of 220 km and a drainage area of 44 km². Calculate its drainage density in km/km².
220 km · 44 km² · River basin drainage density
11. A river basin has a total stream length of 15 km and a drainage area of 5 km². Calculate its drainage density in km/km².
15 km · 5 km² · River basin drainage density
12. A river basin has a total stream length of 72 km and a drainage area of 9 km². Calculate its drainage density in km/km².
72 km · 9 km² · River basin drainage density

12 questions · Seed 66 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

River basin drainage density

Answers and reasoning. Review before teaching.

1. A river basin has a total stream length of 245 km and a drainage area of 35 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 245 ÷ 35 = 7 km/km².
2. A river basin has a total stream length of 56 km and a drainage area of 8 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 56 ÷ 8 = 7 km/km².
3. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 40 ÷ 10 = 4 km/km².
4. A river basin has a total stream length of 256 km and a drainage area of 32 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 256 ÷ 32 = 8 km/km².
5. A river basin has a total stream length of 120 km and a drainage area of 24 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 120 ÷ 24 = 5 km/km².
6. A river basin has a total stream length of 192 km and a drainage area of 48 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 192 ÷ 48 = 4 km/km².
7. A river basin has a total stream length of 133 km and a drainage area of 19 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 133 ÷ 19 = 7 km/km².
8. A river basin has a total stream length of 156 km and a drainage area of 39 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 156 ÷ 39 = 4 km/km².
9. A river basin has a total stream length of 36 km and a drainage area of 9 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 36 ÷ 9 = 4 km/km².
10. A river basin has a total stream length of 220 km and a drainage area of 44 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 220 ÷ 44 = 5 km/km².
11. A river basin has a total stream length of 15 km and a drainage area of 5 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 15 ÷ 5 = 3 km/km².
12. A river basin has a total stream length of 72 km and a drainage area of 9 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 72 ÷ 9 = 8 km/km².

12 questions · Seed 66 · Age guidance, not curriculum certification