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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 320 km and a drainage area of 40 km². Calculate its drainage density in km/km².
320 km · 40 km² · River basin drainage density
2. A river basin has a total stream length of 300 km and a drainage area of 50 km². Calculate its drainage density in km/km².
300 km · 50 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 217 km and a drainage area of 31 km². Calculate its drainage density in km/km².
217 km · 31 km² · River basin drainage density
5. A river basin has a total stream length of 132 km and a drainage area of 33 km². Calculate its drainage density in km/km².
132 km · 33 km² · River basin drainage density
6. 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
7. A river basin has a total stream length of 120 km and a drainage area of 15 km². Calculate its drainage density in km/km².
120 km · 15 km² · River basin drainage density
8. A river basin has a total stream length of 343 km and a drainage area of 49 km². Calculate its drainage density in km/km².
343 km · 49 km² · River basin drainage density
9. A river basin has a total stream length of 14 km and a drainage area of 7 km². Calculate its drainage density in km/km².
14 km · 7 km² · River basin drainage density
10. A river basin has a total stream length of 42 km and a drainage area of 6 km². Calculate its drainage density in km/km².
42 km · 6 km² · River basin drainage density
11. A river basin has a total stream length of 60 km and a drainage area of 12 km². Calculate its drainage density in km/km².
60 km · 12 km² · River basin drainage density
12. A river basin has a total stream length of 111 km and a drainage area of 37 km². Calculate its drainage density in km/km².
111 km · 37 km² · River basin drainage density

12 questions · Seed 65 · 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 320 km and a drainage area of 40 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 320 ÷ 40 = 8 km/km².
2. A river basin has a total stream length of 300 km and a drainage area of 50 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 300 ÷ 50 = 6 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 217 km and a drainage area of 31 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 217 ÷ 31 = 7 km/km².
5. A river basin has a total stream length of 132 km and a drainage area of 33 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 132 ÷ 33 = 4 km/km².
6. 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.
7. A river basin has a total stream length of 120 km and a drainage area of 15 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 120 ÷ 15 = 8 km/km².
8. A river basin has a total stream length of 343 km and a drainage area of 49 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 343 ÷ 49 = 7 km/km².
9. A river basin has a total stream length of 14 km and a drainage area of 7 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 14 ÷ 7 = 2 km/km².
10. A river basin has a total stream length of 42 km and a drainage area of 6 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 42 ÷ 6 = 7 km/km².
11. A river basin has a total stream length of 60 km and a drainage area of 12 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 60 ÷ 12 = 5 km/km².
12. A river basin has a total stream length of 111 km and a drainage area of 37 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 111 ÷ 37 = 3 km/km².

12 questions · Seed 65 · 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 320 km and a drainage area of 40 km². Calculate its drainage density in km/km².
320 km · 40 km² · River basin drainage density
2. A river basin has a total stream length of 300 km and a drainage area of 50 km². Calculate its drainage density in km/km².
300 km · 50 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 217 km and a drainage area of 31 km². Calculate its drainage density in km/km².
217 km · 31 km² · River basin drainage density
5. A river basin has a total stream length of 132 km and a drainage area of 33 km². Calculate its drainage density in km/km².
132 km · 33 km² · River basin drainage density
6. 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
7. A river basin has a total stream length of 120 km and a drainage area of 15 km². Calculate its drainage density in km/km².
120 km · 15 km² · River basin drainage density
8. A river basin has a total stream length of 343 km and a drainage area of 49 km². Calculate its drainage density in km/km².
343 km · 49 km² · River basin drainage density
9. A river basin has a total stream length of 14 km and a drainage area of 7 km². Calculate its drainage density in km/km².
14 km · 7 km² · River basin drainage density
10. A river basin has a total stream length of 42 km and a drainage area of 6 km². Calculate its drainage density in km/km².
42 km · 6 km² · River basin drainage density
11. A river basin has a total stream length of 60 km and a drainage area of 12 km². Calculate its drainage density in km/km².
60 km · 12 km² · River basin drainage density
12. A river basin has a total stream length of 111 km and a drainage area of 37 km². Calculate its drainage density in km/km².
111 km · 37 km² · River basin drainage density

12 questions · Seed 65 · 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 320 km and a drainage area of 40 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 320 ÷ 40 = 8 km/km².
2. A river basin has a total stream length of 300 km and a drainage area of 50 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 300 ÷ 50 = 6 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 217 km and a drainage area of 31 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 217 ÷ 31 = 7 km/km².
5. A river basin has a total stream length of 132 km and a drainage area of 33 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 132 ÷ 33 = 4 km/km².
6. 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.
7. A river basin has a total stream length of 120 km and a drainage area of 15 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 120 ÷ 15 = 8 km/km².
8. A river basin has a total stream length of 343 km and a drainage area of 49 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 343 ÷ 49 = 7 km/km².
9. A river basin has a total stream length of 14 km and a drainage area of 7 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 14 ÷ 7 = 2 km/km².
10. A river basin has a total stream length of 42 km and a drainage area of 6 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 42 ÷ 6 = 7 km/km².
11. A river basin has a total stream length of 60 km and a drainage area of 12 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 60 ÷ 12 = 5 km/km².
12. A river basin has a total stream length of 111 km and a drainage area of 37 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 111 ÷ 37 = 3 km/km².

12 questions · Seed 65 · Age guidance, not curriculum certification