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Daniel Math Academy · Grade 8 Math

Customary & Metric Conversions

Skill F.3 · Unit conversions & temperature · ★★☆ Medium

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Use 1 in = 2.54 cm, 1 mi ≈ 1.61 km, 1 kg ≈ 2.2 lb and 1 gal ≈ 3.79 L. Round to the nearest tenth.

1. 1
   $50\text{ km}\approx \boxed{}\text{ mi}$
2. 2
   $46\text{ cm}\approx \boxed{}\text{ in}$
3. 3
   $33\text{ km}\approx \boxed{}\text{ mi}$
4. 4
   $46\text{ km}\approx \boxed{}\text{ mi}$
5. 5
   $50\text{ in}\approx \boxed{}\text{ cm}$
6. 6
   $55\text{ cm}\approx \boxed{}\text{ in}$
7. 7
   $23\text{ cm}\approx \boxed{}\text{ in}$
8. 8
   $9\text{ cm}\approx \boxed{}\text{ in}$
9. 9
   $32\text{ kg}\approx \boxed{}\text{ lb}$
10. 10
    $4\text{ mi}\approx \boxed{}\text{ km}$
11. 11
    $37\text{ cm}\approx \boxed{}\text{ in}$
12. 12
    $58\text{ gal}\approx \boxed{}\text{ L}$
13. 13
    $21\text{ gal}\approx \boxed{}\text{ L}$
14. 14
    $45\text{ cm}\approx \boxed{}\text{ in}$
15. 15
    $56\text{ cm}\approx \boxed{}\text{ in}$
16. 16
    $41\text{ cm}\approx \boxed{}\text{ in}$

Daniel Math Academy · Grade 8 Math

Answer Key

F.3 Customary & Metric Conversions · ★★☆ Medium

1. 1$31.1$ mi
2. 2$18.1$ in
3. 3$20.5$ mi
4. 4$28.6$ mi
5. 5$127$ cm
6. 6$21.7$ in
7. 7$9.1$ in
8. 8$3.5$ in
9. 9$70.4$ lb
10. 10$6.4$ km
11. 11$14.6$ in
12. 12$219.8$ L
13. 13$79.6$ L
14. 14$17.7$ in
15. 15$22$ in
16. 16$16.1$ in