What is an expression in mathematics?
Solving expressions

Flashcard
•
Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.
2.
FLASHCARD QUESTION
Front
What does it mean to evaluate an expression?
Back
To evaluate an expression means to calculate its value by substituting variables with numbers and performing the operations.
3.
FLASHCARD QUESTION
Front
What is a variable?
Back
A variable is a symbol (usually a letter) that represents an unknown value in an expression or equation.
4.
FLASHCARD QUESTION
Front
What is the order of operations?
Back
The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.
5.
FLASHCARD QUESTION
Front
Evaluate the expression: n/3 + 4 if n=18.
Back
10
6.
FLASHCARD QUESTION
Front
Evaluate the expression: (23 + m) ÷ 9 if m=4.
Back
3
7.
FLASHCARD QUESTION
Front
What is the value of 5 ÷ 1³?
Back
5
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