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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 42 km and a drainage area of 21 km². Calculate its drainage density in km/km².
42 km · 21 km² · River basin drainage density
2. A river basin has a total stream length of 235 km and a drainage area of 47 km². Calculate its drainage density in km/km².
235 km · 47 km² · River basin drainage density
3. A river basin has a total stream length of 258 km and a drainage area of 43 km². Calculate its drainage density in km/km².
258 km · 43 km² · River basin drainage density
4. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
336 km · 48 km² · River basin drainage density
5. 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
6. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
40 km · 10 km² · River basin drainage density
7. A river basin has a total stream length of 30 km and a drainage area of 10 km². Calculate its drainage density in km/km².
30 km · 10 km² · River basin drainage density
8. A river basin has a total stream length of 175 km and a drainage area of 25 km². Calculate its drainage density in km/km².
175 km · 25 km² · River basin drainage density
9. A river basin has a total stream length of 165 km and a drainage area of 33 km². Calculate its drainage density in km/km².
165 km · 33 km² · River basin drainage density
10. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
145 km · 29 km² · River basin drainage density
11. A river basin has a total stream length of 80 km and a drainage area of 10 km². Calculate its drainage density in km/km².
80 km · 10 km² · River basin drainage density
12. A river basin has a total stream length of 180 km and a drainage area of 36 km². Calculate its drainage density in km/km².
180 km · 36 km² · River basin drainage density

12 questions · Seed 57 · 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 42 km and a drainage area of 21 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 42 ÷ 21 = 2 km/km².
2. A river basin has a total stream length of 235 km and a drainage area of 47 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 235 ÷ 47 = 5 km/km².
3. A river basin has a total stream length of 258 km and a drainage area of 43 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 258 ÷ 43 = 6 km/km².
4. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 336 ÷ 48 = 7 km/km².
5. 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.
6. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 40 ÷ 10 = 4 km/km².
7. A river basin has a total stream length of 30 km and a drainage area of 10 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 30 ÷ 10 = 3 km/km².
8. A river basin has a total stream length of 175 km and a drainage area of 25 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 175 ÷ 25 = 7 km/km².
9. A river basin has a total stream length of 165 km and a drainage area of 33 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 165 ÷ 33 = 5 km/km².
10. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 145 ÷ 29 = 5 km/km².
11. A river basin has a total stream length of 80 km and a drainage area of 10 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 80 ÷ 10 = 8 km/km².
12. A river basin has a total stream length of 180 km and a drainage area of 36 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 180 ÷ 36 = 5 km/km².

12 questions · Seed 57 · 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 42 km and a drainage area of 21 km². Calculate its drainage density in km/km².
42 km · 21 km² · River basin drainage density
2. A river basin has a total stream length of 235 km and a drainage area of 47 km². Calculate its drainage density in km/km².
235 km · 47 km² · River basin drainage density
3. A river basin has a total stream length of 258 km and a drainage area of 43 km². Calculate its drainage density in km/km².
258 km · 43 km² · River basin drainage density
4. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
336 km · 48 km² · River basin drainage density
5. 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
6. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
40 km · 10 km² · River basin drainage density
7. A river basin has a total stream length of 30 km and a drainage area of 10 km². Calculate its drainage density in km/km².
30 km · 10 km² · River basin drainage density
8. A river basin has a total stream length of 175 km and a drainage area of 25 km². Calculate its drainage density in km/km².
175 km · 25 km² · River basin drainage density
9. A river basin has a total stream length of 165 km and a drainage area of 33 km². Calculate its drainage density in km/km².
165 km · 33 km² · River basin drainage density
10. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
145 km · 29 km² · River basin drainage density
11. A river basin has a total stream length of 80 km and a drainage area of 10 km². Calculate its drainage density in km/km².
80 km · 10 km² · River basin drainage density
12. A river basin has a total stream length of 180 km and a drainage area of 36 km². Calculate its drainage density in km/km².
180 km · 36 km² · River basin drainage density

12 questions · Seed 57 · 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 42 km and a drainage area of 21 km². Calculate its drainage density in km/km².
2 km/km²
Drainage density = total stream length ÷ basin area = 42 ÷ 21 = 2 km/km².
2. A river basin has a total stream length of 235 km and a drainage area of 47 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 235 ÷ 47 = 5 km/km².
3. A river basin has a total stream length of 258 km and a drainage area of 43 km². Calculate its drainage density in km/km².
6 km/km²
Drainage density = total stream length ÷ basin area = 258 ÷ 43 = 6 km/km².
4. A river basin has a total stream length of 336 km and a drainage area of 48 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 336 ÷ 48 = 7 km/km².
5. 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.
6. A river basin has a total stream length of 40 km and a drainage area of 10 km². Calculate its drainage density in km/km².
4 km/km²
Drainage density = total stream length ÷ basin area = 40 ÷ 10 = 4 km/km².
7. A river basin has a total stream length of 30 km and a drainage area of 10 km². Calculate its drainage density in km/km².
3 km/km²
Drainage density = total stream length ÷ basin area = 30 ÷ 10 = 3 km/km².
8. A river basin has a total stream length of 175 km and a drainage area of 25 km². Calculate its drainage density in km/km².
7 km/km²
Drainage density = total stream length ÷ basin area = 175 ÷ 25 = 7 km/km².
9. A river basin has a total stream length of 165 km and a drainage area of 33 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 165 ÷ 33 = 5 km/km².
10. A river basin has a total stream length of 145 km and a drainage area of 29 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 145 ÷ 29 = 5 km/km².
11. A river basin has a total stream length of 80 km and a drainage area of 10 km². Calculate its drainage density in km/km².
8 km/km²
Drainage density = total stream length ÷ basin area = 80 ÷ 10 = 8 km/km².
12. A river basin has a total stream length of 180 km and a drainage area of 36 km². Calculate its drainage density in km/km².
5 km/km²
Drainage density = total stream length ÷ basin area = 180 ÷ 36 = 5 km/km².

12 questions · Seed 57 · Age guidance, not curriculum certification