# Algebra/Order of Operations/Practice Answers

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Algebra/Order of Operations
 ← Order of Operations Practice Answers

Remember Please Excuse My Dear Aunt Sally!

1. Evaluate the numerical expression $2+4*3$
``` P - There are no parentheses.
E - There are no exponents.
M - Multiply 4 * 3 and substitute.
New expression is 2 + 12
D - There is no division.
A - Add 2 + 12
Final expression is 14
S- There is no subtraction.
```
1. Evaluate the numerical expression $2*4+3$
``` P - There are no parentheses.
E - There are no exponents.
M - Multiply Multiply 2 * 4 and substitute.
New expression is 8 + 3
D - There is no division.
A - Add 8 + 3
Final expression is 11
S- There is no subtraction.
```
1. Evaluate the numerical expression $(2+4)*3$
``` P - add 2 + 4, remove parentheses, and substitute
New expression is 6 * 3
E - There are no exponents.
M - Multiply Multiply 6 * 3 and substitute.
Final expression is 18
D - There is no division.
A - There is no addition.
S- There is no subtraction.
```
1. Evaluate the expression $9^2 + 1 -7*(8+4)/2$
``` P - add 8 + 4
New expression is 9^2 + 1 - 7 * 12 / 2
E - solve the exponents
New expression is 81 + 1 - 7 * 12 / 2
M - multiply 7 * 12
New expression is 81 + 1 - 84 /2
D - Divide 84 /2
New expression is 81 + 1 -42
A - Add 81 + 1
New Expression is 82 - 42
S - Subtract 82-42
Final expression is 40
```