What number is in the ones place of a product of 10 and another number? Explain

The product of 10 and any number will always end with **0**. 

### Explanation:
- Multiplying any whole number by 10 shifts all the digits to the left and places a **0** at the end. This is because 10 can be expressed as \(10 = 10 \times 1\), and the ones place of 10 is 0.
- For example:
  - \(10 \times 3 = 30\) (ones place = 0)
  - \(10 \times 12 = 120\) (ones place = 0)
  - \(10 \times 248 = 2480\) (ones place = 0)

Thus, no matter which number you multiply by 10, the **ones place will always be 0**.

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Do you need further clarification or another example?  

Here are 5 related questions to deepen your understanding:  
1. What is the ones place digit in the product of 100 and any number?  
2. How does multiplying a number by 5 affect the ones place?  
3. What is the product of 10 and a decimal number like 1.2?  
4. Does the ones place change when multiplying by negative numbers?  
5. What happens to the ones place if you multiply a number by 20 instead of 10?  

**Tip:** Multiplying a number by powers of 10 (like 10, 100, 1000) will always add trailing zeroes to the result!

Discover how multiplying any number by 10 always results in the ones place being 0. This explanation covers multiplication and place value concepts, making it ideal for students in Grades 3-5.

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