Multiplying two-digit numbers worksheet with 12 practice problems.

The task involves solving a series of two-digit multiplication problems. Below, I will solve each problem step by step.

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Problem 1: \( 25 \times 45 \)

1. Break down the multiplication:
- Multiply \( 25 \) by \( 5 \): \( 25 \times 5 = 125 \)
- Multiply \( 25 \) by \( 40 \): \( 25 \times 40 = 1000 \)
2. Add the results:
- \( 125 + 1000 = 1125 \)

Answer: \( 1125 \)

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Problem 2: \( 76 \times 24 \)

1. Break down the multiplication:
- Multiply \( 76 \) by \( 4 \): \( 76 \times 4 = 304 \)
- Multiply \( 76 \) by \( 20 \): \( 76 \times 20 = 1520 \)
2. Add the results:
- \( 304 + 1520 = 1824 \)

Answer: \( 1824 \)

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Problem 3: \( 91 \times 41 \)

1. Break down the multiplication:
- Multiply \( 91 \) by \( 1 \): \( 91 \times 1 = 91 \)
- Multiply \( 91 \) by \( 40 \): \( 91 \times 40 = 3640 \)
2. Add the results:
- \( 91 + 3640 = 3731 \)

Answer: \( 3731 \)

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Problem 4: \( 60 \times 34 \)

1. Break down the multiplication:
- Multiply \( 60 \) by \( 4 \): \( 60 \times 4 = 240 \)
- Multiply \( 60 \) by \( 30 \): \( 60 \times 30 = 1800 \)
2. Add the results:
- \( 240 + 1800 = 2040 \)

Answer: \( 2040 \)

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Problem 5: \( 77 \times 52 \)

1. Break down the multiplication:
- Multiply \( 77 \) by \( 2 \): \( 77 \times 2 = 154 \)
- Multiply \( 77 \) by \( 50 \): \( 77 \times 50 = 3850 \)
2. Add the results:
- \( 154 + 3850 = 3904 \)

Answer: \( 3904 \)

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Problem 6: \( 86 \times 54 \)

1. Break down the multiplication:
- Multiply \( 86 \) by \( 4 \): \( 86 \times 4 = 344 \)
- Multiply \( 86 \) by \( 50 \): \( 86 \times 50 = 4300 \)
2. Add the results:
- \( 344 + 4300 = 4644 \)

Answer: \( 4644 \)

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Problem 7: \( 68 \times 22 \)

1. Break down the multiplication:
- Multiply \( 68 \) by \( 2 \): \( 68 \times 2 = 136 \)
- Multiply \( 68 \) by \( 20 \): \( 68 \times 20 = 1360 \)
2. Add the results:
- \( 136 + 1360 = 1496 \)

Answer: \( 1496 \)

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Problem 8: \( 98 \times 12 \)

1. Break down the multiplication:
- Multiply \( 98 \) by \( 2 \): \( 98 \times 2 = 196 \)
- Multiply \( 98 \) by \( 10 \): \( 98 \times 10 = 980 \)
2. Add the results:
- \( 196 + 980 = 1176 \)

Answer: \( 1176 \)

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Problem 9: \( 34 \times 76 \)

1. Break down the multiplication:
- Multiply \( 34 \) by \( 6 \): \( 34 \times 6 = 204 \)
- Multiply \( 34 \) by \( 70 \): \( 34 \times 70 = 2380 \)
2. Add the results:
- \( 204 + 2380 = 2584 \)

Answer: \( 2584 \)

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Problem 10: \( 88 \times 55 \)

1. Break down the multiplication:
- Multiply \( 88 \) by \( 5 \): \( 88 \times 5 = 440 \)
- Multiply \( 88 \) by \( 50 \): \( 88 \times 50 = 4400 \)
2. Add the results:
- \( 440 + 4400 = 4840 \)

Answer: \( 4840 \)

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Problem 11: \( 13 \times 49 \)

1. Break down the multiplication:
- Multiply \( 13 \) by \( 9 \): \( 13 \times 9 = 117 \)
- Multiply \( 13 \) by \( 40 \): \( 13 \times 40 = 520 \)
2. Add the results:
- \( 117 + 520 = 637 \)

Answer: \( 637 \)

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Problem 12: \( 22 \times 54 \)

1. Break down the multiplication:
- Multiply \( 22 \) by \( 4 \): \( 22 \times 4 = 88 \)
- Multiply \( 22 \) by \( 50 \): \( 22 \times 50 = 1100 \)
2. Add the results:
- \( 88 + 1100 = 1188 \)

Answer: \( 1188 \)

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Final Answers:

1. \( 1125 \)
2. \( 1824 \)
3. \( 3731 \)
4. \( 2040 \)
5. \( 3904 \)
6. \( 4644 \)
7. \( 1496 \)
8. \( 1176 \)
9. \( 2584 \)
10. \( 4840 \)
11. \( 637 \)
12. \( 1188 \)

\boxed{1125, 1824, 3731, 2040, 3904, 4644, 1496, 1176, 2584, 4840, 637, 1188}