Solve Mixed Operations: 50:10+9×0 Step-by-Step Solution

Q: Why don't I just work from left to right like in reading?

Mathematics has special rules called order of operations (PEMDAS)! Unlike reading, math requires you to do certain operations first. Multiplication and division always come before addition and subtraction.

Q: Does it matter that one of the numbers is zero?

Yes! The zero property is very important: any number times zero equals zero. So $ 9\times0 = 0 $, no matter what the 9 is.

Q: How can I remember the order of operations?

Use the acronym PEMDAS: Please Excuse My Dear Aunt Sally. This reminds you: Parentheses, Exponents, Multiplication/Division (left to right), Addition/Subtraction (left to right).

Q: Is 50:10 the same as 50÷10?

Yes! The colon symbol (:) means division, just like the division symbol (÷). So $ 50:10 = 50÷10 = 5 $.

Order of Operations with Zero Multiplication

Complete the following exercise:

$50:10+9\times0=$

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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

Complete the following exercise:

$50:10+9\times0=$

Step-by-step solution

To evaluate the expression $50:10+9\times0$ , follow the order of operations:

First, perform the division: $50:10$ .

This gives $5$ because $50 \div 10 = 5$ .
Next, perform the multiplication: $9\times0$ .

This results in $0$ because any number multiplied by $0$ is $0$ .
Finally, perform the addition: $5 + 0$ .

This results in $5$ because $5 + 0 = 5$ .

Thus, the solution to the expression is $5$ .

Final Answer

Key Points to Remember

Essential concepts to master this topic

PEMDAS Rule: Perform multiplication and division first, then addition
Zero Property: Any number multiplied by zero equals zero (9×0 = 0)
Check: Follow order step-by-step: 50÷10 = 5, then 5+0 = 5 ✓

Common Mistakes

Avoid these frequent errors

Working left to right without considering order of operations
Don't solve 50÷10+9×0 by doing 50÷10=5, then 5+9=14, then 14×0=0! This ignores PEMDAS and gives the wrong answer. Always do multiplication and division first, then addition and subtraction from left to right.

Practice Quiz

Test your knowledge with interactive questions

$1\times1000=$

FAQ

Everything you need to know about this question

Why don't I just work from left to right like in reading?

Mathematics has special rules called order of operations (PEMDAS)! Unlike reading, math requires you to do certain operations first. Multiplication and division always come before addition and subtraction.

Does it matter that one of the numbers is zero?

Yes! The zero property is very important: any number times zero equals zero. So $9\times0 = 0$ , no matter what the 9 is.

What if I forgot PEMDAS and got the wrong answer?

That's a common mistake! If you worked left to right and got 0, remember: multiplication happens before addition. Practice identifying which operations to do first.

How can I remember the order of operations?

Use the acronym PEMDAS: Please Excuse My Dear Aunt Sally. This reminds you: Parentheses, Exponents, Multiplication/Division (left to right), Addition/Subtraction (left to right).

Is 50:10 the same as 50÷10?

Yes! The colon symbol (:) means division, just like the division symbol (÷). So $50:10 = 50÷10 = 5$ .

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