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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 78 km and a drainage area of 13 km². Calculate its drainage density in km/km².
78 km · 13 km² · River basin drainage density
2. A river basin has a total stream length of 28 km and a drainage area of 7 km². Calculate its drainage density in km/km².
28 km · 7 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 112 km and a drainage area of 14 km². Calculate its drainage density in km/km².
112 km · 14 km² · River basin drainage density
5. A river basin has a total stream length of 54 km and a drainage area of 9 km². Calculate its drainage density in km/km².
54 km · 9 km² · River basin drainage density
6. A river basin has a total stream length of 96 km and a drainage area of 24 km². Calculate its drainage density in km/km².
96 km · 24 km² · River basin drainage density
7. 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
8. A river basin has a total stream length of 160 km and a drainage area of 40 km². Calculate its drainage density in km/km².
160 km · 40 km² · River basin drainage density
9. A river basin has a total stream length of 350 km and a drainage area of 50 km². Calculate its drainage density in km/km².
350 km · 50 km² · River basin drainage density
10. A river basin has a total stream length of 48 km and a drainage area of 6 km². Calculate its drainage density in km/km².
48 km · 6 km² · River basin drainage density
11. A river basin has a total stream length of 18 km and a drainage area of 9 km². Calculate its drainage density in km/km².
18 km · 9 km² · River basin drainage density
12. A river basin has a total stream length of 205 km and a drainage area of 41 km². Calculate its drainage density in km/km².
205 km · 41 km² · River basin drainage density

12 questions · Seed 104731 · 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 78 km and a drainage area of 13 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 78 ÷ 13 = 6 km/km².
2. A river basin has a total stream length of 28 km and a drainage area of 7 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 28 ÷ 7 = 4 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 112 km and a drainage area of 14 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 112 ÷ 14 = 8 km/km².
5. A river basin has a total stream length of 54 km and a drainage area of 9 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 54 ÷ 9 = 6 km/km².
6. A river basin has a total stream length of 96 km and a drainage area of 24 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 96 ÷ 24 = 4 km/km².
7. 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.
8. A river basin has a total stream length of 160 km and a drainage area of 40 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 160 ÷ 40 = 4 km/km².
9. A river basin has a total stream length of 350 km and a drainage area of 50 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 350 ÷ 50 = 7 km/km².
10. A river basin has a total stream length of 48 km and a drainage area of 6 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 48 ÷ 6 = 8 km/km².
11. A river basin has a total stream length of 18 km and a drainage area of 9 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 18 ÷ 9 = 2 km/km².
12. A river basin has a total stream length of 205 km and a drainage area of 41 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 205 ÷ 41 = 5 km/km².

12 questions · Seed 104731 · 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 78 km and a drainage area of 13 km². Calculate its drainage density in km/km².
78 km · 13 km² · River basin drainage density
2. A river basin has a total stream length of 28 km and a drainage area of 7 km². Calculate its drainage density in km/km².
28 km · 7 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 112 km and a drainage area of 14 km². Calculate its drainage density in km/km².
112 km · 14 km² · River basin drainage density
5. A river basin has a total stream length of 54 km and a drainage area of 9 km². Calculate its drainage density in km/km².
54 km · 9 km² · River basin drainage density
6. A river basin has a total stream length of 96 km and a drainage area of 24 km². Calculate its drainage density in km/km².
96 km · 24 km² · River basin drainage density
7. 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
8. A river basin has a total stream length of 160 km and a drainage area of 40 km². Calculate its drainage density in km/km².
160 km · 40 km² · River basin drainage density
9. A river basin has a total stream length of 350 km and a drainage area of 50 km². Calculate its drainage density in km/km².
350 km · 50 km² · River basin drainage density
10. A river basin has a total stream length of 48 km and a drainage area of 6 km². Calculate its drainage density in km/km².
48 km · 6 km² · River basin drainage density
11. A river basin has a total stream length of 18 km and a drainage area of 9 km². Calculate its drainage density in km/km².
18 km · 9 km² · River basin drainage density
12. A river basin has a total stream length of 205 km and a drainage area of 41 km². Calculate its drainage density in km/km².
205 km · 41 km² · River basin drainage density

12 questions · Seed 104731 · 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 78 km and a drainage area of 13 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 78 ÷ 13 = 6 km/km².
2. A river basin has a total stream length of 28 km and a drainage area of 7 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 28 ÷ 7 = 4 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 112 km and a drainage area of 14 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 112 ÷ 14 = 8 km/km².
5. A river basin has a total stream length of 54 km and a drainage area of 9 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 54 ÷ 9 = 6 km/km².
6. A river basin has a total stream length of 96 km and a drainage area of 24 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 96 ÷ 24 = 4 km/km².
7. 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.
8. A river basin has a total stream length of 160 km and a drainage area of 40 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 160 ÷ 40 = 4 km/km².
9. A river basin has a total stream length of 350 km and a drainage area of 50 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 350 ÷ 50 = 7 km/km².
10. A river basin has a total stream length of 48 km and a drainage area of 6 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 48 ÷ 6 = 8 km/km².
11. A river basin has a total stream length of 18 km and a drainage area of 9 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 18 ÷ 9 = 2 km/km².
12. A river basin has a total stream length of 205 km and a drainage area of 41 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 205 ÷ 41 = 5 km/km².

12 questions · Seed 104731 · Age guidance, not curriculum certification