**Multiplication of Whole Numbers**

In multiplication, the top number is called the **multiplicand** . The number directly below it is called the **multiplier** . The answer in multiplication is called the **product** . The numbers between the multiplier and the product are called **partial products** .

*To multiply two numbers when the multiplier is a single digit, write the numbers in a vertical column and then multiply each digit in the multiplicand from right to left by the multiplier. If any of these products is greater than nine, add the tens digit to the product of numbers in the next column* .

**Example 1**

Multiply: 327 × 6.

**Solution 1**

*To multiply two numbers when the multiplier contains two or more digits, arrange the numbers vertically and multiply each digit in the multiplicand by the right-most digit in the multiplier. Next multiply each digit in the multiplicand by the next digit in the multiplier and place the second partial product under the first partial product, moving one space to the left. Continue the process for each digit in the multiplier and then add the partial products to get the final product* .

**Example 2**

Multiply 2,651 × 542.

**Solution 2**

**Math Note:** To check the multiplication problem, multiply the multiplier by the multiplicand.

**Multiplication of Whole Numbers Practice Problems**

**Practice**

Multiply:

1. 28 × 6

2. 532 × 49

3. 6,327 × 146

4. 52,300 × 986

5. 137,264 × 25

**Answers**

1. 168

2. 26,068

3. 923,742

4. 51,567,800

5. 3,431,600

More practice problems for these concepts can be found at: Whole Numbers Practice Test.

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