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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 66 km and a drainage area of 33 km². Calculate its drainage density in km/km².
66 km · 33 km² · River basin drainage density
2. 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
3. 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
4. A river basin has a total stream length of 240 km and a drainage area of 48 km². Calculate its drainage density in km/km².
240 km · 48 km² · River basin drainage density
5. 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
6. A river basin has a total stream length of 336 km and a drainage area of 42 km². Calculate its drainage density in km/km².
336 km · 42 km² · River basin drainage density
7. A river basin has a total stream length of 75 km and a drainage area of 15 km². Calculate its drainage density in km/km².
75 km · 15 km² · River basin drainage density
8. A river basin has a total stream length of 185 km and a drainage area of 37 km². Calculate its drainage density in km/km².
185 km · 37 km² · River basin drainage density
9. A river basin has a total stream length of 126 km and a drainage area of 21 km². Calculate its drainage density in km/km².
126 km · 21 km² · River basin drainage density
10. A river basin has a total stream length of 93 km and a drainage area of 31 km². Calculate its drainage density in km/km².
93 km · 31 km² · River basin drainage density
11. A river basin has a total stream length of 78 km and a drainage area of 39 km². Calculate its drainage density in km/km².
78 km · 39 km² · River basin drainage density
12. 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

12 questions · Seed 49 · Age guidance, not curriculum certification

View the answer key

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 66 km and a drainage area of 33 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 66 ÷ 33 = 2 km/km².
2. 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.
3. 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.
4. A river basin has a total stream length of 240 km and a drainage area of 48 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 240 ÷ 48 = 5 km/km².
5. 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.
6. A river basin has a total stream length of 336 km and a drainage area of 42 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 336 ÷ 42 = 8 km/km².
7. A river basin has a total stream length of 75 km and a drainage area of 15 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 75 ÷ 15 = 5 km/km².
8. A river basin has a total stream length of 185 km and a drainage area of 37 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 185 ÷ 37 = 5 km/km².
9. A river basin has a total stream length of 126 km and a drainage area of 21 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 126 ÷ 21 = 6 km/km².
10. A river basin has a total stream length of 93 km and a drainage area of 31 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 93 ÷ 31 = 3 km/km².
11. A river basin has a total stream length of 78 km and a drainage area of 39 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 78 ÷ 39 = 2 km/km².
12. 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.

12 questions · Seed 49 · 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 66 km and a drainage area of 33 km². Calculate its drainage density in km/km².
66 km · 33 km² · River basin drainage density
2. 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
3. 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
4. A river basin has a total stream length of 240 km and a drainage area of 48 km². Calculate its drainage density in km/km².
240 km · 48 km² · River basin drainage density
5. 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
6. A river basin has a total stream length of 336 km and a drainage area of 42 km². Calculate its drainage density in km/km².
336 km · 42 km² · River basin drainage density
7. A river basin has a total stream length of 75 km and a drainage area of 15 km². Calculate its drainage density in km/km².
75 km · 15 km² · River basin drainage density
8. A river basin has a total stream length of 185 km and a drainage area of 37 km². Calculate its drainage density in km/km².
185 km · 37 km² · River basin drainage density
9. A river basin has a total stream length of 126 km and a drainage area of 21 km². Calculate its drainage density in km/km².
126 km · 21 km² · River basin drainage density
10. A river basin has a total stream length of 93 km and a drainage area of 31 km². Calculate its drainage density in km/km².
93 km · 31 km² · River basin drainage density
11. A river basin has a total stream length of 78 km and a drainage area of 39 km². Calculate its drainage density in km/km².
78 km · 39 km² · River basin drainage density
12. 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

12 questions · Seed 49 · 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 66 km and a drainage area of 33 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 66 ÷ 33 = 2 km/km².
2. 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.
3. 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.
4. A river basin has a total stream length of 240 km and a drainage area of 48 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 240 ÷ 48 = 5 km/km².
5. 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.
6. A river basin has a total stream length of 336 km and a drainage area of 42 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 336 ÷ 42 = 8 km/km².
7. A river basin has a total stream length of 75 km and a drainage area of 15 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 75 ÷ 15 = 5 km/km².
8. A river basin has a total stream length of 185 km and a drainage area of 37 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 185 ÷ 37 = 5 km/km².
9. A river basin has a total stream length of 126 km and a drainage area of 21 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 126 ÷ 21 = 6 km/km².
10. A river basin has a total stream length of 93 km and a drainage area of 31 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 93 ÷ 31 = 3 km/km².
11. A river basin has a total stream length of 78 km and a drainage area of 39 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 78 ÷ 39 = 2 km/km².
12. 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.

12 questions · Seed 49 · Age guidance, not curriculum certification