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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 16-18

River basin drainage density

Take your time. Show your thinking.

1. A river basin has a total stream length of 264 km and a drainage area of 33 km². Calculate its drainage density in km/km².
264 km · 33 km² · River basin drainage density
2. A river basin has a total stream length of 21 km and a drainage area of 7 km². Calculate its drainage density in km/km².
21 km · 7 km² · River basin drainage density
3. A river basin has a total stream length of 50 km and a drainage area of 25 km². Calculate its drainage density in km/km².
50 km · 25 km² · River basin drainage density
4. A river basin has a total stream length of 168 km and a drainage area of 21 km². Calculate its drainage density in km/km².
168 km · 21 km² · River basin drainage density
5. A river basin has a total stream length of 115 km and a drainage area of 23 km². Calculate its drainage density in km/km².
115 km · 23 km² · River basin drainage density
6. A river basin has a total stream length of 238 km and a drainage area of 34 km². Calculate its drainage density in km/km².
238 km · 34 km² · River basin drainage density
7. A river basin has a total stream length of 55 km and a drainage area of 11 km². Calculate its drainage density in km/km².
55 km · 11 km² · River basin drainage density
8. 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
9. A river basin has a total stream length of 105 km and a drainage area of 15 km². Calculate its drainage density in km/km².
105 km · 15 km² · River basin drainage density
10. A river basin has a total stream length of 66 km and a drainage area of 22 km². Calculate its drainage density in km/km².
66 km · 22 km² · River basin drainage density
11. A river basin has a total stream length of 147 km and a drainage area of 49 km². Calculate its drainage density in km/km².
147 km · 49 km² · River basin drainage density
12. A river basin has a total stream length of 210 km and a drainage area of 30 km². Calculate its drainage density in km/km².
210 km · 30 km² · River basin drainage density

12 questions · Seed 52 · Age guidance, not curriculum certification

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Worksheet StudioAnswer key · Ages 16-18

River basin drainage density

Answers and reasoning. Review before teaching.

1. A river basin has a total stream length of 264 km and a drainage area of 33 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 264 ÷ 33 = 8 km/km².
2. A river basin has a total stream length of 21 km and a drainage area of 7 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 21 ÷ 7 = 3 km/km².
3. A river basin has a total stream length of 50 km and a drainage area of 25 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 50 ÷ 25 = 2 km/km².
4. A river basin has a total stream length of 168 km and a drainage area of 21 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 168 ÷ 21 = 8 km/km².
5. A river basin has a total stream length of 115 km and a drainage area of 23 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 115 ÷ 23 = 5 km/km².
6. A river basin has a total stream length of 238 km and a drainage area of 34 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 238 ÷ 34 = 7 km/km².
7. A river basin has a total stream length of 55 km and a drainage area of 11 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 55 ÷ 11 = 5 km/km².
8. 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.
9. A river basin has a total stream length of 105 km and a drainage area of 15 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 105 ÷ 15 = 7 km/km².
10. A river basin has a total stream length of 66 km and a drainage area of 22 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 66 ÷ 22 = 3 km/km².
11. A river basin has a total stream length of 147 km and a drainage area of 49 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 147 ÷ 49 = 3 km/km².
12. A river basin has a total stream length of 210 km and a drainage area of 30 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 210 ÷ 30 = 7 km/km².

12 questions · Seed 52 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 16-18

River basin drainage density

Take your time. Show your thinking.

1. A river basin has a total stream length of 264 km and a drainage area of 33 km². Calculate its drainage density in km/km².
264 km · 33 km² · River basin drainage density
2. A river basin has a total stream length of 21 km and a drainage area of 7 km². Calculate its drainage density in km/km².
21 km · 7 km² · River basin drainage density
3. A river basin has a total stream length of 50 km and a drainage area of 25 km². Calculate its drainage density in km/km².
50 km · 25 km² · River basin drainage density
4. A river basin has a total stream length of 168 km and a drainage area of 21 km². Calculate its drainage density in km/km².
168 km · 21 km² · River basin drainage density
5. A river basin has a total stream length of 115 km and a drainage area of 23 km². Calculate its drainage density in km/km².
115 km · 23 km² · River basin drainage density
6. A river basin has a total stream length of 238 km and a drainage area of 34 km². Calculate its drainage density in km/km².
238 km · 34 km² · River basin drainage density
7. A river basin has a total stream length of 55 km and a drainage area of 11 km². Calculate its drainage density in km/km².
55 km · 11 km² · River basin drainage density
8. 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
9. A river basin has a total stream length of 105 km and a drainage area of 15 km². Calculate its drainage density in km/km².
105 km · 15 km² · River basin drainage density
10. A river basin has a total stream length of 66 km and a drainage area of 22 km². Calculate its drainage density in km/km².
66 km · 22 km² · River basin drainage density
11. A river basin has a total stream length of 147 km and a drainage area of 49 km². Calculate its drainage density in km/km².
147 km · 49 km² · River basin drainage density
12. A river basin has a total stream length of 210 km and a drainage area of 30 km². Calculate its drainage density in km/km².
210 km · 30 km² · River basin drainage density

12 questions · Seed 52 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 16-18

River basin drainage density

Answers and reasoning. Review before teaching.

1. A river basin has a total stream length of 264 km and a drainage area of 33 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 264 ÷ 33 = 8 km/km².
2. A river basin has a total stream length of 21 km and a drainage area of 7 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 21 ÷ 7 = 3 km/km².
3. A river basin has a total stream length of 50 km and a drainage area of 25 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 50 ÷ 25 = 2 km/km².
4. A river basin has a total stream length of 168 km and a drainage area of 21 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 168 ÷ 21 = 8 km/km².
5. A river basin has a total stream length of 115 km and a drainage area of 23 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 115 ÷ 23 = 5 km/km².
6. A river basin has a total stream length of 238 km and a drainage area of 34 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 238 ÷ 34 = 7 km/km².
7. A river basin has a total stream length of 55 km and a drainage area of 11 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 55 ÷ 11 = 5 km/km².
8. 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.
9. A river basin has a total stream length of 105 km and a drainage area of 15 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 105 ÷ 15 = 7 km/km².
10. A river basin has a total stream length of 66 km and a drainage area of 22 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 66 ÷ 22 = 3 km/km².
11. A river basin has a total stream length of 147 km and a drainage area of 49 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 147 ÷ 49 = 3 km/km².
12. A river basin has a total stream length of 210 km and a drainage area of 30 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 210 ÷ 30 = 7 km/km².

12 questions · Seed 52 · Age guidance, not curriculum certification