Solve 312 + 1 × 0: Order of Operations Practice

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

Math has a special order called PEMDAS (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction). Without this order, everyone would get different answers for the same problem!

Q: Does anything times zero always equal zero?

Yes! Any number multiplied by zero equals zero. So $ 1 \times 0 = 0 $, $ 100 \times 0 = 0 $, even $ 999 \times 0 = 0 $.

Q: What if I got 313 as my answer?

You likely added $ 312 + 1 = 313 $ first, then multiplied by 0. Always follow PEMDAS - multiplication comes before addition!

Q: How can I remember PEMDAS?

Try the memory trick: "Please Excuse My Dear Aunt Sally" for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction!

Order of Operations with Multiplication by Zero

$312+1\times0=$

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations

00:00 Solve

00:03 Always solve multiplication and division before addition and subtraction

00:08 Any number multiplied by 0 always equals 0

00:14 Let's continue calculating

00:17 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution

Understand the problem

$312+1\times0=$

Step-by-step solution

To solve the arithmetic expression $312 + 1 \times 0$ , we apply the order of operations:

Step 1: Since there are no parentheses or exponents, we move to multiplication.
Step 2: Multiply $1 \times 0$ , which results in $0$ .
Step 3: Add $312 + 0$ to get the final result.

Therefore, the solution to the problem is $312$ .

Final Answer

312

Key Points to Remember

Essential concepts to master this topic

PEMDAS Rule: Always multiply and divide before adding and subtracting
Technique: First calculate $1 \times 0 = 0$ , then add 312
Check: Final answer should be 312, not 0 or 313 ✓

Common Mistakes

Avoid these frequent errors

Adding first instead of following order of operations
Don't add 312 + 1 = 313 first, then multiply by 0 = 0! This ignores PEMDAS and gives the wrong answer. Always multiply 1 × 0 = 0 first, then add 312 + 0 = 312.

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?

Math has a special order called PEMDAS (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction). Without this order, everyone would get different answers for the same problem!

Does anything times zero always equal zero?

Yes! Any number multiplied by zero equals zero. So $1 \times 0 = 0$ , $100 \times 0 = 0$ , even $999 \times 0 = 0$ .

What if I got 0 as my final answer?

You probably multiplied everything by zero! Remember: only multiply $1 \times 0$ first, then add that result to 312.

What if I got 313 as my answer?

You likely added $312 + 1 = 313$ first, then multiplied by 0. Always follow PEMDAS - multiplication comes before addition!

How can I remember PEMDAS?

Try the memory trick: "Please Excuse My Dear Aunt Sally" for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction!

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