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According to the order of operations in arithmetic we should begin by placing the division operation inside of parentheses:
Let's now proceed to solve the said problem:
We should obtain the following expression:
10
\( 100+5-100+5 \)
Mathematical operations have a specific order called PEMDAS. Even though addition appears after division when reading left to right, division has higher priority and must be done first.
The colon (:) symbol means division, just like ÷. So is the same as or .
Yes! Dividing any number by 1 gives you the same number. Think of it as: "How many groups of 1 can you make from 8?" The answer is 8 groups.
You likely calculated instead of . This happens when you add first (1 + 2 = 3) instead of following order of operations. Remember: division before addition!
Try the phrase "Please Excuse My Dear Aunt Sally":
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