Question: Multiply a 3-digit number by 1, 2, 3, 4 or 5.
1) 307
x 2
2) 186
x 5
3) 305
x 3
4) 417
x 2
5) 582
x 3
6) 438
x 1
7) 653
x 2
8) 154
x 5
9) 348
x 3
10) 845
x 2
11) 225
x 4
12) 624
x 1
1. **Problem:** Multiply $307 \times 2$.
2. **Formula:** Multiplication of two numbers.
3. **Calculation:**
$$307 \times 2 = 614$$
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1. **Problem:** Multiply $186 \times 5$.
2. **Calculation:**
$$186 \times 5 = 930$$
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1. **Problem:** Multiply $305 \times 3$.
2. **Calculation:**
$$305 \times 3 = 915$$
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1. **Problem:** Multiply $417 \times 2$.
2. **Calculation:**
$$417 \times 2 = 834$$
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1. **Problem:** Multiply $582 \times 3$.
2. **Calculation:**
$$582 \times 3 = 1746$$
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1. **Problem:** Multiply $438 \times 1$.
2. **Calculation:**
$$438 \times 1 = 438$$
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1. **Problem:** Multiply $653 \times 2$.
2. **Calculation:**
$$653 \times 2 = 1306$$
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1. **Problem:** Multiply $154 \times 5$.
2. **Calculation:**
$$154 \times 5 = 770$$
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1. **Problem:** Multiply $348 \times 3$.
2. **Calculation:**
$$348 \times 3 = 1044$$
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1. **Problem:** Multiply $845 \times 2$.
2. **Calculation:**
$$845 \times 2 = 1690$$
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1. **Problem:** Multiply $225 \times 4$.
2. **Calculation:**
$$225 \times 4 = 900$$
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1. **Problem:** Multiply $624 \times 1$.
2. **Calculation:**
$$624 \times 1 = 624$$