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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 70 km and a drainage area of 35 km². Calculate its drainage density in km/km².
70 km · 35 km² · River basin drainage density
2. A river basin has a total stream length of 27 km and a drainage area of 9 km². Calculate its drainage density in km/km².
27 km · 9 km² · River basin drainage density
3. A river basin has a total stream length of 195 km and a drainage area of 39 km². Calculate its drainage density in km/km².
195 km · 39 km² · River basin drainage density
4. A river basin has a total stream length of 189 km and a drainage area of 27 km². Calculate its drainage density in km/km².
189 km · 27 km² · River basin drainage density
5. A river basin has a total stream length of 96 km and a drainage area of 32 km². Calculate its drainage density in km/km².
96 km · 32 km² · River basin drainage density
6. A river basin has a total stream length of 42 km and a drainage area of 7 km². Calculate its drainage density in km/km².
42 km · 7 km² · River basin drainage density
7. A river basin has a total stream length of 104 km and a drainage area of 13 km². Calculate its drainage density in km/km².
104 km · 13 km² · River basin drainage density
8. A river basin has a total stream length of 12 km and a drainage area of 6 km². Calculate its drainage density in km/km².
12 km · 6 km² · River basin drainage density
9. A river basin has a total stream length of 60 km and a drainage area of 15 km². Calculate its drainage density in km/km².
60 km · 15 km² · River basin drainage density
10. A river basin has a total stream length of 63 km and a drainage area of 21 km². Calculate its drainage density in km/km².
63 km · 21 km² · River basin drainage density
11. 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
12. A river basin has a total stream length of 32 km and a drainage area of 8 km². Calculate its drainage density in km/km².
32 km · 8 km² · River basin drainage density

12 questions · Seed 61 · 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 70 km and a drainage area of 35 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 70 ÷ 35 = 2 km/km².
2. A river basin has a total stream length of 27 km and a drainage area of 9 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 27 ÷ 9 = 3 km/km².
3. A river basin has a total stream length of 195 km and a drainage area of 39 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 195 ÷ 39 = 5 km/km².
4. A river basin has a total stream length of 189 km and a drainage area of 27 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 189 ÷ 27 = 7 km/km².
5. A river basin has a total stream length of 96 km and a drainage area of 32 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 96 ÷ 32 = 3 km/km².
6. A river basin has a total stream length of 42 km and a drainage area of 7 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 42 ÷ 7 = 6 km/km².
7. A river basin has a total stream length of 104 km and a drainage area of 13 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 104 ÷ 13 = 8 km/km².
8. A river basin has a total stream length of 12 km and a drainage area of 6 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 12 ÷ 6 = 2 km/km².
9. A river basin has a total stream length of 60 km and a drainage area of 15 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 60 ÷ 15 = 4 km/km².
10. A river basin has a total stream length of 63 km and a drainage area of 21 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 63 ÷ 21 = 3 km/km².
11. 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.
12. A river basin has a total stream length of 32 km and a drainage area of 8 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 32 ÷ 8 = 4 km/km².

12 questions · Seed 61 · 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 70 km and a drainage area of 35 km². Calculate its drainage density in km/km².
70 km · 35 km² · River basin drainage density
2. A river basin has a total stream length of 27 km and a drainage area of 9 km². Calculate its drainage density in km/km².
27 km · 9 km² · River basin drainage density
3. A river basin has a total stream length of 195 km and a drainage area of 39 km². Calculate its drainage density in km/km².
195 km · 39 km² · River basin drainage density
4. A river basin has a total stream length of 189 km and a drainage area of 27 km². Calculate its drainage density in km/km².
189 km · 27 km² · River basin drainage density
5. A river basin has a total stream length of 96 km and a drainage area of 32 km². Calculate its drainage density in km/km².
96 km · 32 km² · River basin drainage density
6. A river basin has a total stream length of 42 km and a drainage area of 7 km². Calculate its drainage density in km/km².
42 km · 7 km² · River basin drainage density
7. A river basin has a total stream length of 104 km and a drainage area of 13 km². Calculate its drainage density in km/km².
104 km · 13 km² · River basin drainage density
8. A river basin has a total stream length of 12 km and a drainage area of 6 km². Calculate its drainage density in km/km².
12 km · 6 km² · River basin drainage density
9. A river basin has a total stream length of 60 km and a drainage area of 15 km². Calculate its drainage density in km/km².
60 km · 15 km² · River basin drainage density
10. A river basin has a total stream length of 63 km and a drainage area of 21 km². Calculate its drainage density in km/km².
63 km · 21 km² · River basin drainage density
11. 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
12. A river basin has a total stream length of 32 km and a drainage area of 8 km². Calculate its drainage density in km/km².
32 km · 8 km² · River basin drainage density

12 questions · Seed 61 · 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 70 km and a drainage area of 35 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 70 ÷ 35 = 2 km/km².
2. A river basin has a total stream length of 27 km and a drainage area of 9 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 27 ÷ 9 = 3 km/km².
3. A river basin has a total stream length of 195 km and a drainage area of 39 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 195 ÷ 39 = 5 km/km².
4. A river basin has a total stream length of 189 km and a drainage area of 27 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 189 ÷ 27 = 7 km/km².
5. A river basin has a total stream length of 96 km and a drainage area of 32 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 96 ÷ 32 = 3 km/km².
6. A river basin has a total stream length of 42 km and a drainage area of 7 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 42 ÷ 7 = 6 km/km².
7. A river basin has a total stream length of 104 km and a drainage area of 13 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 104 ÷ 13 = 8 km/km².
8. A river basin has a total stream length of 12 km and a drainage area of 6 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 12 ÷ 6 = 2 km/km².
9. A river basin has a total stream length of 60 km and a drainage area of 15 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 60 ÷ 15 = 4 km/km².
10. A river basin has a total stream length of 63 km and a drainage area of 21 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 63 ÷ 21 = 3 km/km².
11. 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.
12. A river basin has a total stream length of 32 km and a drainage area of 8 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 32 ÷ 8 = 4 km/km².

12 questions · Seed 61 · Age guidance, not curriculum certification