What is an expression in mathematics?
WRITING AND EVALUATING EXPRESSIONS

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•
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 the variables with numbers and performing the operations.
3.
FLASHCARD QUESTION
Front
What is the sum of two numbers?
Back
The sum is the result of adding two or more numbers together.
4.
FLASHCARD QUESTION
Front
How do you write 'twice a number x' as an expression?
Back
2x
5.
FLASHCARD QUESTION
Front
What is the product of two numbers?
Back
The product is the result of multiplying two or more numbers together.
6.
FLASHCARD QUESTION
Front
How do you write '5 less than a number y' as an expression?
Back
y - 5
7.
FLASHCARD QUESTION
Front
What is the difference between an expression and an equation?
Back
An expression does not have an equality sign, while an equation states that two expressions are equal.
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