Evaluating Algebraic Expressions

Flashcard
•
Mathematics
•
7th - 8th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an algebraic expression?
Back
An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.
Tags
CCSS.6.EE.A.2B
2.
FLASHCARD QUESTION
Front
What does it mean to evaluate an algebraic expression?
Back
To evaluate an algebraic expression means to substitute the values of the variables into the expression and perform the operations to find a numerical result.
Tags
CCSS.6.EE.A.2C
3.
FLASHCARD QUESTION
Front
What is the order of operations in mathematics?
Back
The order of operations is a set of rules that determines the sequence in which calculations are performed. The common acronym is PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
Tags
CCSS.7.NS.A.3
4.
FLASHCARD QUESTION
Front
How do you substitute a value into an algebraic expression?
Back
To substitute a value into an algebraic expression, replace the variable with the given value and then simplify the expression.
Tags
CCSS.6.EE.A.2C
5.
FLASHCARD QUESTION
Front
What is the result of evaluating the expression 12 ÷ a + 8 when a = 4?
Back
The result is 11.
Tags
CCSS.6.EE.A.2C
6.
FLASHCARD QUESTION
Front
How do you simplify the expression 2x + 5(y - 1) when x=8 and y=5?
Back
First, substitute x and y: 2(8) + 5(5 - 1) = 16 + 20 = 36.
Tags
CCSS.6.EE.A.2C
7.
FLASHCARD QUESTION
Front
What is the value of the expression 13 + 6x for x = 2?
Back
The value is 25.
Tags
CCSS.6.EE.A.2C
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