Variables, Expressions and Equations SOL 5.19

Flashcard
•
Mathematics
•
5th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a variable in mathematics?
Back
A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.
2.
FLASHCARD QUESTION
Front
What does an expression represent?
Back
An expression is a combination of numbers, variables, and operations (like addition or multiplication) that represents a value.
3.
FLASHCARD QUESTION
Front
What is an equation?
Back
An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (=).
4.
FLASHCARD QUESTION
Front
How do you represent '23 times a number' using a variable k?
Back
23 x k.
5.
FLASHCARD QUESTION
Front
If Bob has 28 stickers and the total with Emily's is 57, how do you express the relationship?
Back
28 + s = 57, where s is the number of stickers Emily has.
6.
FLASHCARD QUESTION
Front
How do you express 'a number n, decreased by 12 is 29'?
Back
n - 12 = 29.
7.
FLASHCARD QUESTION
Front
What is the formula to find the total number of pages read if Rick reads 28 pages a day for n days to finish a 112-page book?
Back
112 / n = 28.
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