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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 72 km and a drainage area of 9 km². Calculate its drainage density in km/km².
72 km · 9 km² · River basin drainage density
2. A river basin has a total stream length of 123 km and a drainage area of 41 km². Calculate its drainage density in km/km².
123 km · 41 km² · River basin drainage density
3. 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
4. A river basin has a total stream length of 210 km and a drainage area of 35 km². Calculate its drainage density in km/km².
210 km · 35 km² · River basin drainage density
5. 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
6. A river basin has a total stream length of 130 km and a drainage area of 26 km². Calculate its drainage density in km/km².
130 km · 26 km² · River basin drainage density
7. 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
8. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
145 km · 29 km² · River basin drainage density
9. A river basin has a total stream length of 52 km and a drainage area of 26 km². Calculate its drainage density in km/km².
52 km · 26 km² · River basin drainage density
10. A river basin has a total stream length of 80 km and a drainage area of 20 km². Calculate its drainage density in km/km².
80 km · 20 km² · River basin drainage density
11. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
336 km · 48 km² · River basin drainage density
12. A river basin has a total stream length of 152 km and a drainage area of 19 km². Calculate its drainage density in km/km².
152 km · 19 km² · River basin drainage density

12 questions · Seed 67 · Age guidance, not curriculum certification

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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 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.
2. A river basin has a total stream length of 123 km and a drainage area of 41 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 123 ÷ 41 = 3 km/km².
3. 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.
4. A river basin has a total stream length of 210 km and a drainage area of 35 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 210 ÷ 35 = 6 km/km².
5. 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.
6. A river basin has a total stream length of 130 km and a drainage area of 26 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 130 ÷ 26 = 5 km/km².
7. 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.
8. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 145 ÷ 29 = 5 km/km².
9. A river basin has a total stream length of 52 km and a drainage area of 26 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 52 ÷ 26 = 2 km/km².
10. A river basin has a total stream length of 80 km and a drainage area of 20 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 80 ÷ 20 = 4 km/km².
11. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 336 ÷ 48 = 7 km/km².
12. A river basin has a total stream length of 152 km and a drainage area of 19 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 152 ÷ 19 = 8 km/km².

12 questions · Seed 67 · 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 72 km and a drainage area of 9 km². Calculate its drainage density in km/km².
72 km · 9 km² · River basin drainage density
2. A river basin has a total stream length of 123 km and a drainage area of 41 km². Calculate its drainage density in km/km².
123 km · 41 km² · River basin drainage density
3. 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
4. A river basin has a total stream length of 210 km and a drainage area of 35 km². Calculate its drainage density in km/km².
210 km · 35 km² · River basin drainage density
5. 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
6. A river basin has a total stream length of 130 km and a drainage area of 26 km². Calculate its drainage density in km/km².
130 km · 26 km² · River basin drainage density
7. 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
8. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
145 km · 29 km² · River basin drainage density
9. A river basin has a total stream length of 52 km and a drainage area of 26 km². Calculate its drainage density in km/km².
52 km · 26 km² · River basin drainage density
10. A river basin has a total stream length of 80 km and a drainage area of 20 km². Calculate its drainage density in km/km².
80 km · 20 km² · River basin drainage density
11. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
336 km · 48 km² · River basin drainage density
12. A river basin has a total stream length of 152 km and a drainage area of 19 km². Calculate its drainage density in km/km².
152 km · 19 km² · River basin drainage density

12 questions · Seed 67 · 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 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.
2. A river basin has a total stream length of 123 km and a drainage area of 41 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 123 ÷ 41 = 3 km/km².
3. 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.
4. A river basin has a total stream length of 210 km and a drainage area of 35 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 210 ÷ 35 = 6 km/km².
5. 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.
6. A river basin has a total stream length of 130 km and a drainage area of 26 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 130 ÷ 26 = 5 km/km².
7. 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.
8. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 145 ÷ 29 = 5 km/km².
9. A river basin has a total stream length of 52 km and a drainage area of 26 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 52 ÷ 26 = 2 km/km².
10. A river basin has a total stream length of 80 km and a drainage area of 20 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 80 ÷ 20 = 4 km/km².
11. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 336 ÷ 48 = 7 km/km².
12. A river basin has a total stream length of 152 km and a drainage area of 19 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 152 ÷ 19 = 8 km/km².

12 questions · Seed 67 · Age guidance, not curriculum certification