Multiplying by 10 and 100 Worksheets - Free Printable

Absolutely! This worksheet is designed to help students practice multiplying whole numbers by 10 and 100. The key concept here is understanding place value and how multiplying by 10 or 100 shifts digits to the left.

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## 🎯 Key Rule:
- Multiplying by 10: Add one zero to the end of the number.
- Example: `22 × 10 = 220`
- Multiplying by 100: Add two zeros to the end of the number.
- Example: `75 × 100 = 7,500`

This works because multiplying by 10 moves every digit one place to the left (tens become hundreds, units become tens, etc.), and multiplying by 100 moves every digit two places to the left.

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## ✔ Solved Worksheet:

Here are all 45 answers with brief explanations where helpful:

Row 1:

1) 22 × 10 = 220 → Add one zero
2) 13 × 10 = 130 → Add one zero
3) 100 × 20 = 2,000 → Think: 100 × 20 = (1 × 2) × 1000 = 2,000

Row 2:

4) 100 × 63 = 6,300 → 63 with two zeros
5) 25 × 10 = 250 → Add one zero
6) 73 × 100 = 7,300 → Add two zeros

Row 3:

7) 75 × 100 = 7,500 → Add two zeros
8) 100 × 18 = 1,800 → 18 with two zeros
9) 100 × 13 = 1,300 → 13 with two zeros

Row 4:

10) 62 × 100 = 6,200 → Add two zeros
11) 84 × 10 = 840 → Add one zero
12) 10 × 94 = 940 → Same as 94 × 10 → add one zero

Row 5:

13) 55 × 10 = 550 → Add one zero
14) 23 × 100 = 2,300 → Add two zeros
15) 65 × 100 = 6,500 → Add two zeros

Row 6:

16) 90 × 10 = 900 → Add one zero
17) 94 × 100 = 9,400 → Add two zeros
18) 100 × 45 = 4,500 → 45 with two zeros

Row 7:

19) 64 × 100 = 6,400 → Add two zeros
20) 25 × 10 = 250 → Add one zero
21) 41 × 100 = 4,100 → Add two zeros

Row 8:

22) 10 × 89 = 890 → Add one zero
23) 100 × 63 = 6,300 → Add two zeros
24) 71 × 10 = 710 → Add one zero

Row 9:

25) 54 × 100 = 5,400 → Add two zeros
26) 100 × 99 = 9,900 → Add two zeros
27) 26 × 10 = 260 → Add one zero

Row 10:

28) 10 × 32 = 320 → Add one zero
29) 10 × 62 = 620 → Add one zero
30) 87 × 100 = 8,700 → Add two zeros

Row 11:

31) 10 × 38 = 380 → Add one zero
32) 100 × 53 = 5,300 → Add two zeros
33) 100 × 73 = 7,300 → Add two zeros

Row 12:

34) 50 × 100 = 5,000 → Add two zeros
35) 11 × 10 = 110 → Add one zero
36) 100 × 41 = 4,100 → Add two zeros

Row 13:

37) 50 × 100 = 5,000 → Add two zeros
38) 100 × 14 = 1,400 → Add two zeros
39) 100 × 22 = 2,200 → Add two zeros

Row 14:

40) 17 × 10 = 170 → Add one zero
41) 53 × 10 = 530 → Add one zero
42) 34 × 10 = 340 → Add one zero

Row 15:

43) 100 × 67 = 6,700 → Add two zeros
44) 38 × 100 = 3,800 → Add two zeros
45) 19 × 10 = 190 → Add one zero

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## 🧠 Final Tip for Students:
> “When you multiply by 10, tack on one zero. When you multiply by 100, tack on two zeros.”
> *It’s that simple — as long as you’re multiplying a whole number!*

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✔ All answers verified. Ready to submit or check your work!

Let me know if you’d like this in a printable format or want a similar worksheet for division by 10/100!