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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 126 km and a drainage area of 18 km². Calculate its drainage density in km/km².
126 km · 18 km² · River basin drainage density
2. A river basin has a total stream length of 84 km and a drainage area of 12 km². Calculate its drainage density in km/km².
84 km · 12 km² · River basin drainage density
3. A river basin has a total stream length of 70 km and a drainage area of 10 km². Calculate its drainage density in km/km².
70 km · 10 km² · River basin drainage density
4. 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
5. A river basin has a total stream length of 72 km and a drainage area of 18 km². Calculate its drainage density in km/km².
72 km · 18 km² · River basin drainage density
6. A river basin has a total stream length of 78 km and a drainage area of 26 km². Calculate its drainage density in km/km².
78 km · 26 km² · River basin drainage density
7. A river basin has a total stream length of 75 km and a drainage area of 25 km². Calculate its drainage density in km/km².
75 km · 25 km² · River basin drainage density
8. A river basin has a total stream length of 175 km and a drainage area of 35 km². Calculate its drainage density in km/km².
175 km · 35 km² · River basin drainage density
9. A river basin has a total stream length of 84 km and a drainage area of 28 km². Calculate its drainage density in km/km².
84 km · 28 km² · River basin drainage density
10. A river basin has a total stream length of 56 km and a drainage area of 14 km². Calculate its drainage density in km/km².
56 km · 14 km² · River basin drainage density
11. A river basin has a total stream length of 16 km and a drainage area of 8 km². Calculate its drainage density in km/km².
16 km · 8 km² · River basin drainage density
12. A river basin has a total stream length of 88 km and a drainage area of 11 km². Calculate its drainage density in km/km².
88 km · 11 km² · River basin drainage density

12 questions · Seed 43 · 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 126 km and a drainage area of 18 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 126 ÷ 18 = 7 km/km².
2. A river basin has a total stream length of 84 km and a drainage area of 12 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 84 ÷ 12 = 7 km/km².
3. A river basin has a total stream length of 70 km and a drainage area of 10 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 70 ÷ 10 = 7 km/km².
4. 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.
5. A river basin has a total stream length of 72 km and a drainage area of 18 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 72 ÷ 18 = 4 km/km².
6. A river basin has a total stream length of 78 km and a drainage area of 26 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 78 ÷ 26 = 3 km/km².
7. A river basin has a total stream length of 75 km and a drainage area of 25 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 75 ÷ 25 = 3 km/km².
8. A river basin has a total stream length of 175 km and a drainage area of 35 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 175 ÷ 35 = 5 km/km².
9. A river basin has a total stream length of 84 km and a drainage area of 28 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 84 ÷ 28 = 3 km/km².
10. A river basin has a total stream length of 56 km and a drainage area of 14 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 56 ÷ 14 = 4 km/km².
11. A river basin has a total stream length of 16 km and a drainage area of 8 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 16 ÷ 8 = 2 km/km².
12. A river basin has a total stream length of 88 km and a drainage area of 11 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 88 ÷ 11 = 8 km/km².

12 questions · Seed 43 · 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 126 km and a drainage area of 18 km². Calculate its drainage density in km/km².
126 km · 18 km² · River basin drainage density
2. A river basin has a total stream length of 84 km and a drainage area of 12 km². Calculate its drainage density in km/km².
84 km · 12 km² · River basin drainage density
3. A river basin has a total stream length of 70 km and a drainage area of 10 km². Calculate its drainage density in km/km².
70 km · 10 km² · River basin drainage density
4. 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
5. A river basin has a total stream length of 72 km and a drainage area of 18 km². Calculate its drainage density in km/km².
72 km · 18 km² · River basin drainage density
6. A river basin has a total stream length of 78 km and a drainage area of 26 km². Calculate its drainage density in km/km².
78 km · 26 km² · River basin drainage density
7. A river basin has a total stream length of 75 km and a drainage area of 25 km². Calculate its drainage density in km/km².
75 km · 25 km² · River basin drainage density
8. A river basin has a total stream length of 175 km and a drainage area of 35 km². Calculate its drainage density in km/km².
175 km · 35 km² · River basin drainage density
9. A river basin has a total stream length of 84 km and a drainage area of 28 km². Calculate its drainage density in km/km².
84 km · 28 km² · River basin drainage density
10. A river basin has a total stream length of 56 km and a drainage area of 14 km². Calculate its drainage density in km/km².
56 km · 14 km² · River basin drainage density
11. A river basin has a total stream length of 16 km and a drainage area of 8 km². Calculate its drainage density in km/km².
16 km · 8 km² · River basin drainage density
12. A river basin has a total stream length of 88 km and a drainage area of 11 km². Calculate its drainage density in km/km².
88 km · 11 km² · River basin drainage density

12 questions · Seed 43 · 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 126 km and a drainage area of 18 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 126 ÷ 18 = 7 km/km².
2. A river basin has a total stream length of 84 km and a drainage area of 12 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 84 ÷ 12 = 7 km/km².
3. A river basin has a total stream length of 70 km and a drainage area of 10 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 70 ÷ 10 = 7 km/km².
4. 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.
5. A river basin has a total stream length of 72 km and a drainage area of 18 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 72 ÷ 18 = 4 km/km².
6. A river basin has a total stream length of 78 km and a drainage area of 26 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 78 ÷ 26 = 3 km/km².
7. A river basin has a total stream length of 75 km and a drainage area of 25 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 75 ÷ 25 = 3 km/km².
8. A river basin has a total stream length of 175 km and a drainage area of 35 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 175 ÷ 35 = 5 km/km².
9. A river basin has a total stream length of 84 km and a drainage area of 28 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 84 ÷ 28 = 3 km/km².
10. A river basin has a total stream length of 56 km and a drainage area of 14 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 56 ÷ 14 = 4 km/km².
11. A river basin has a total stream length of 16 km and a drainage area of 8 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 16 ÷ 8 = 2 km/km².
12. A river basin has a total stream length of 88 km and a drainage area of 11 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 88 ÷ 11 = 8 km/km².

12 questions · Seed 43 · Age guidance, not curriculum certification