Simplifying Expressions (GEMDAS and Replacement Values)

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What does GEMDAS stand for?
Back
GEMDAS stands for: G - Grouping, E - Exponents, M - Multiplication, D - Division, A - Addition, S - Subtraction. It is the order of operations used to simplify expressions.
2.
FLASHCARD QUESTION
Front
Back
13
3.
FLASHCARD QUESTION
Front
What is the first step in solving the expression: -12 - 6 (-3) + 8?
Back
The first step is to evaluate 6 x -3.
4.
FLASHCARD QUESTION
Front
Back
21
5.
FLASHCARD QUESTION
Front
Back
-6
6.
FLASHCARD QUESTION
Front
Back
-9
7.
FLASHCARD QUESTION
Front
What is the purpose of using replacement values in expressions?
Back
Replacement values allow us to evaluate expressions by substituting variables with specific numbers.
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