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Printable math worksheet featuring 30 fill-in-the-blank problems for practicing metric length conversions.

Metric conversion worksheet with 30 problems converting mm, cm, m, and km for elementary math students.

Metric conversion worksheet with 30 problems converting mm, cm, m, and km for elementary math students.

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Show Answer Key & Explanations Step-by-step solution for: Metric Conversion Practice Worksheets
Absolutely! Let’s solve this Metric Conversion Worksheet step by step. The worksheet focuses on converting between:

- millimeters (mm) and centimeters (cm)
- centimeters (cm) and meters (m)
- meters (m) and kilometers (km)

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📏 Key Metric Conversion Rules (You MUST know these!):



1. 1 cm = 10 mm
2. 1 m = 100 cm
3. 1 km = 1000 m

So, to convert:
- Smaller unit → Larger unit: Divide by the conversion factor.
- Larger unit → Smaller unit: Multiply by the conversion factor.

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Let’s solve each problem one by one:

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Solutions with Explanations:



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1) 50 mm = ____ cm
→ mm → cm: divide by 10
→ 50 ÷ 10 = 5 cm

2) 4 cm = ____ mm
→ cm → mm: multiply by 10
→ 4 × 10 = 40 mm

3) ____ km = 2000 m
→ m → km: divide by 1000
→ 2000 ÷ 1000 = 2 km

4) ____ km = 9000 m
→ 9000 ÷ 1000 = 9 km

5) 60 mm = ____ cm
→ 60 ÷ 10 = 6 cm

6) ____ cm = 3 m
→ m → cm: multiply by 100
→ 3 × 100 = 300 cm

7) 6000 m = ____ km
→ 6000 ÷ 1000 = 6 km

8) ____ mm = 6 cm
→ 6 × 10 = 60 mm

9) 3000 m = ____ km
→ 3000 ÷ 1000 = 3 km

10) 3 km = ____ m
→ 3 × 1000 = 3000 m

11) ____ cm = 60 mm
→ 60 ÷ 10 = 6 cm

12) 2 cm = ____ mm
→ 2 × 10 = 20 mm

13) 4 cm = ____ mm
→ 4 × 10 = 40 mm

14) 8 m = ____ cm
→ 8 × 100 = 800 cm

15) ____ m = 3 km
→ 3 × 1000 = 3000 m

16) 3 m = ____ cm
→ 3 × 100 = 300 cm

17) 7 km = ____ m
→ 7 × 1000 = 7000 m

18) 5 m = ____ cm
→ 5 × 100 = 500 cm

19) ____ mm = 9 cm
→ 9 × 10 = 90 mm

20) 9 m = ____ cm
→ 9 × 100 = 900 cm

21) 6 cm = ____ mm
→ 6 × 10 = 60 mm

22) 500 cm = ____ m
→ 500 ÷ 100 = 5 m

23) 5 m = ____ cm
→ Already did: 500 cm

24) 8 km = ____ m
→ 8 × 1000 = 8000 m

25) ____ cm = 40 mm
→ 40 ÷ 10 = 4 cm

26) ____ m = 400 cm
→ 400 ÷ 100 = 4 m

27) 6 cm = ____ mm
→ 6 × 10 = 60 mm

28) 4 m = ____ cm
→ 4 × 100 = 400 cm

29) ____ km = 7000 m
→ 7000 ÷ 1000 = 7 km

30) ____ km = 3000 m
→ 3000 ÷ 1000 = 3 km

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🎯 Final Answer Sheet (Filled in):



1) 5
2) 40
3) 2
4) 9
5) 6
6) 300
7) 6
8) 60
9) 3
10) 3000
11) 6
12) 20
13) 40
14) 800
15) 3000
16) 300
17) 7000
18) 500
19) 90
20) 900
21) 60
22) 5
23) 500
24) 8000
25) 4
26) 4
27) 60
28) 400
29) 7
30) 3

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All done! You’ve successfully converted all metric units using the base-10 system. Great job practicing!

Let me know if you want a printable version or flashcards for memorizing these conversions!
Parent Tip: Review the logic above to help your child master the concept of metric conversions chemistry worksheet.
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