Order of Operations retake mistake

Please note that there is a mistake on the second problem on the Order of Operations retake. The original problem looks like this: (8+4) ÷ 5² - 7⁰ . Please change the “÷” operation to a “+” (add) operation and solve. Thank you

Unit Test next Monday

Monday, Sept. 30th: Unit Test on arithmetic and geometric sequences, triangular and oblong numbers, Fibonacci sequence, powers of ten, exponents, perfect squares, and Order of Operations.
KNOW YOUR STUDY GUIDE AND NOTES!!!

Order of Operations

Order of Operations: What is it, why we need it, and why it’s our best friend?

5 +3 = 8 is an easy equation because there is only one operation (addition), but what happens when you are given 5 + 3² x (9-8)? No worries, you have PEMDAS!!! PEMDAS tells us the order in which we do the following operations in this problem. Using PEMDAS, I know to do what’s in the parentheses first (9-8), then the exponent (3²), so now my problem looks like this:   5+9x1  I am not finished, still using PEMDAS I will multiply 9 X 1 then add 5 last which gives me the solution: 14

What are the Order of Operations?

1. Calculations must be done from left to right.

2. Calculations in parentheses (brackets) are done first. When you have more than one set of brackets, do the inner brackets first.

3. Exponents must be done next.

4. Multiply and divide in the order the operations occur (from left to right)

5. Add and subtract in the order the operations occur (from left to right)

Order of Operations practice

Fibonacci Sequence in action

Fibonacci Sequence
The Fibonacci sequence is created by adding the last two terms to create the next term. The first six terms are:
1, 1, 2, 3, 5, 8, ....
Click on Fibonacci Sequence above to see it in Action!!!

PBIS: Freedom Pride

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