Find the Missing Mathematical Sign: 3 ? 0 Operation

Q: How do I remember which way the inequality sign goes?

Think of the inequality sign as a hungry mouth that always wants to eat the bigger number! The symbol $ > $ opens toward 3 because 3 is larger than 0.

Q: Is there a trick to compare positive and negative numbers?

Yes! Positive numbers are always greater than zero, and zero is always greater than negative numbers. So any positive number like 3 is automatically greater than 0.

Q: Can I use a number line to help me?

Absolutely! On a number line, numbers get bigger as you move right. Since 3 is to the right of 0, we know $ 3 > 0 $.

Q: What if I'm comparing two negative numbers?

The same rules apply! The number closer to zero is always greater. For example, $ -2 > -5 $ because -2 is closer to 0 on the number line.

Comparing Numbers with Inequality Signs

Fill in the corresponding sign

$+3?0$

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Step-by-step video solution

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Step-by-step written solution

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Understand the problem

Fill in the corresponding sign

$+3?0$

Step-by-step solution

Since the number 3 comes after the number 0, it is necessarily greater:

$3 > 0$

Final Answer

$>$

Key Points to Remember

Essential concepts to master this topic

Number Line Rule: Numbers to the right are always greater
Technique: Compare 3 and 0 on number line: 3 is right of 0
Check: Verify that 3 > 0 makes sense in real situations ✓

Common Mistakes

Avoid these frequent errors

Confusing which direction the inequality sign points
Don't think that > means 'less than' just because it points left = wrong comparison! The symbol > always opens toward the larger number like a mouth eating the bigger value. Always remember the symbol 'eats' the larger number.

Practice Quiz

Test your knowledge with interactive questions

All negative numbers appear on the number line to the left of the number 0.

FAQ

Everything you need to know about this question

How do I remember which way the inequality sign goes?

Think of the inequality sign as a hungry mouth that always wants to eat the bigger number! The symbol $>$ opens toward 3 because 3 is larger than 0.

What's the difference between > and < symbols?

> means 'greater than' - the big end points to the larger number
< means 'less than' - the small end points to the smaller number
Remember: big end eats big number!

Is there a trick to compare positive and negative numbers?

Yes! Positive numbers are always greater than zero, and zero is always greater than negative numbers. So any positive number like 3 is automatically greater than 0.

Can I use a number line to help me?

Absolutely! On a number line, numbers get bigger as you move right. Since 3 is to the right of 0, we know $3 > 0$ .

What if I'm comparing two negative numbers?

The same rules apply! The number closer to zero is always greater. For example, $-2 > -5$ because -2 is closer to 0 on the number line.

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