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According to the order of operations, we first solve the exercise within parentheses:
Now we obtain the exercise:
\( 100-(5+55)= \)
Mathematics has specific rules called the order of operations (PEMDAS). Just like traffic lights tell us when to go, these rules tell us which calculations to do first. Parentheses always come first!
You'll get the wrong answer! In this problem, skipping parentheses gives you instead of the correct answer . Always look for parentheses before starting any calculation.
Try the phrase "Please Excuse My Dear Aunt Sally" - Parentheses, Exponents, Multiplication/Division, Addition/Subtraction. Or create your own memorable phrase!
That's correct! When you subtract a larger number from a smaller number, you get a negative result. because 25 is bigger than 22.
Yes! You can use a calculator to verify, or think of it as: "22 take away 25 leaves me 3 short" which means . The negative shows you're 3 below zero.
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