Addition of Ten: Guided Exploration of the Number 4245

Place Value Addition with Visual Models

The number 4245 is shown in units below:

If you add ten to this number, what do you get?

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Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

The number 4245 is shown in units below:

If you add ten to this number, what do you get?

2

Step-by-step solution

To solve the problem, we will perform the following steps:

  • Step 1: Identify the given number, which is 4245.
  • Step 2: Perform the addition by adding 10 to 4245.
  • Step 3: Calculate the sum to find the result.

Now, let's proceed with these steps:

Step 1: The given number is 4245.

Step 2: We need to add 10 to the number. Mathematically, this can be expressed as 4245+10 4245 + 10 .

Step 3: Performing the addition: 4245+10=4255 4245 + 10 = 4255 .

Therefore, the result of adding ten to 4245 is 4255 4255 .

3

Final Answer

4255 4255

Key Points to Remember

Essential concepts to master this topic
  • Rule: Adding ten increases the tens digit by one
  • Technique: Add directly: 4245 + 10 = 4255 by adding 1 to tens place
  • Check: Count by tens from 4245: 4245, 4255 matches our answer ✓

Common Mistakes

Avoid these frequent errors
  • Adding 10 to the ones place instead of tens place
    Don't add 10 to the rightmost digit (5) to get 4255! This shows confusion about place value. The number 10 has 1 ten and 0 ones, so adding 10 increases the tens digit by 1. Always remember that 10 = 1 ten + 0 ones.

Practice Quiz

Test your knowledge with interactive questions

Choose the correct answer:

\( 693+705=\text{ ?} \)

FAQ

Everything you need to know about this question

Why does adding 10 only change the tens digit?

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Because 10 = 1 ten + 0 ones! When you add 10, you're adding 1 to the tens place and 0 to the ones place. So 4245 becomes 4255 - only the tens digit changes from 4 to 5.

How can I use the visual model to help me?

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The base-ten blocks in the image show thousands, hundreds, tens, and ones. Adding 10 means adding one more tens block. Count the tens blocks and add one more!

What if I need to add 100 instead of 10?

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Adding 100 would increase the hundreds digit by 1, just like adding 10 increases the tens digit by 1. So 4245 + 100 = 4345.

Is there a pattern when adding 10 to any number?

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Yes! Adding 10 always increases the tens digit by 1 (unless there's carrying). The pattern: the tens digit goes up by 1, everything else stays the same.

How do I know I didn't make a mistake?

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Check by counting forward by 10 from your starting number, or subtract 10 from your answer to get back to the original number. 425510=4245 4255 - 10 = 4245

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