Find the Predecessor: Identifying the Number Before 6700

Q: What exactly does 'predecessor' mean in math?

A predecessor is simply the number that comes immediately before another number. Think of it as the number you'd count just before reaching your target number!

Q: What's the difference between predecessor and successor?

Great question! A predecessor comes before (subtract 1), while a successor comes after (add 1). For 6700: predecessor is 6699, successor is 6701.

Q: Do negative numbers have predecessors too?

Yes! For example, the predecessor of -5 is -6 (since $ -5 - 1 = -6 $). The rule subtract 1 works for all integers.

Q: How can I remember which operation to use?

Think of PRE-decessor as coming before. Just like pre-game comes before the game, so you go backwards by subtracting 1!

Number Predecessors with Whole Numbers

Select the predecessor of the number 6700:

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Step-by-step written solution

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Understand the problem

Select the predecessor of the number 6700:

Step-by-step solution

Let's solve this step-by-step:

Step 1: Identify the given number, which is 6700.
Step 2: Use the formula for finding the predecessor of a number, which is to subtract 1 from it. Thus, $6700 - 1 = 6699$ .
Step 3: Verify the calculation by adding 1 back to the result: $6699 + 1 = 6700$ , confirming our result is correct.

After following these steps, we conclude that the predecessor of the number 6700 is $6699$ .

Final Answer

$6699$

Key Points to Remember

Essential concepts to master this topic

Rule: The predecessor is always one less than the given number
Technique: Subtract 1 from the number: $6700 - 1 = 6699$
Check: Add 1 to your answer to get back the original: $6699 + 1 = 6700$ ✓

Common Mistakes

Avoid these frequent errors

Subtracting 10 or 100 instead of 1
Don't subtract 10 from 6700 to get 6690 or subtract 100 to get 6600! This confuses predecessors with rounding or place value operations. Always subtract exactly 1 to find the predecessor.

Practice Quiz

Test your knowledge with interactive questions

Which number succeeds the number 9209?

FAQ

Everything you need to know about this question

What exactly does 'predecessor' mean in math?

A predecessor is simply the number that comes immediately before another number. Think of it as the number you'd count just before reaching your target number!

Is there a trick to finding predecessors of numbers ending in zeros?

Not really! Even if a number ends in multiple zeros like 6700, you still just subtract 1. So $6700 - 1 = 6699$ . The zeros don't change the rule.

What's the difference between predecessor and successor?

Great question! A predecessor comes before (subtract 1), while a successor comes after (add 1). For 6700: predecessor is 6699, successor is 6701.

Do negative numbers have predecessors too?

Yes! For example, the predecessor of -5 is -6 (since $-5 - 1 = -6$ ). The rule subtract 1 works for all integers.

How can I remember which operation to use?

Think of PRE-decessor as coming before. Just like pre-game comes before the game, so you go backwards by subtracting 1!

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