Explain how 9 x 4 can help you find 9 x 8

Double the product of 9 * 4.

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To find the product of 9 x 8, we can use the property of multiplication known as the distributive property. This property states that when multiplying a number by a sum or difference, we can multiply that number by each term separately and then add or subtract the results.

In this case, we can split 8 into two parts: 4 and 4. So, we have 9 x (4 + 4). We can simplify this expression by multiplying 9 by each part separately and then adding the results.

9 x 4 equals 36. So, we have 36 + 36, which gives us the final result of 72. Therefore, 9 x 8 equals 72.

In summary, using the distributive property and breaking down one factor into smaller parts, such as 8 into 4 and 4, we can solve multiplication problems more easily and efficiently.