Math 8 · Unit 15: Distance, area and volume · Cambridge Lower Secondary Maths Stage 8

Questions

1. 1. 25 miles ≈ ? km

   • 15.6
   • 30
   • 200
   • 40
   Check

2. 2. 24 km ≈ ? miles

   • 30
   • 38.4
   • 19
   • 15
   Check

3. 3. Which is longer: 10 miles or 10 km?

   • 10 miles
   • the same
   • 10 km
   Check

4. 4. 1 mile ≈ ? km

   • 0.6
   • 8
   • 1.5
   • 1.6
   Check

5. 5. 80 km ≈ ? miles

   • 40
   • 128
   • 50
   • 100
   Check

6. 6. A sign says 60 miles. About how many km?

   • 96
   • 37.5
   • 60
   • 100
   Check

7. 7. A 5 km run is about how many miles?

   • 8
   • 5
   • 2
   • 3.125
   Check

8. 8. A car travels at 50 miles per hour. About how many km per hour?

   • 100
   • 80
   • 31.25
   • 50
   Check

9. 9. Which is further: 30 miles or 45 km?

   • 30 miles
   • 45 km
   • the same
   Check

10. 10. 100 miles ≈ ? km

    • 180
    • 160
    • 100
    • 62.5
    Check

11. 11. 40 km ≈ ? miles

    • 64
    • 20
    • 25
    • 32
    Check

12. 12. A marathon is about 42 km. About how many miles?

    • 42
    • 21
    • 26
    • 67
    Check

13. 13. On a conversion graph, 0 miles corresponds to …

    • 1.6 km
    • 0 km
    • 5 km
    • 8 km
    Check

14. 14. 15 miles ≈ ? km

    • 9.375
    • 24
    • 15
    • 30
    Check

15. 15. Which is the better estimate: 1 km ≈ 0.6 miles or 1 km ≈ 1.6 miles?

    • both
    • 1 km ≈ 0.6 miles
    • 1 km ≈ 1.6 miles
    Check