What is the primary purpose of a variable in algebra?

Understanding Variables in Algebra

Interactive Video
•
Mathematics
•
4th - 5th Grade
•
Hard

Thomas White
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To solve equations without calculations
To make equations more complex
To represent a known value
To replace a number with a letter
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation 24 - 12 = x, what does 'x' represent?
A known value
A constant
An unknown value
A variable that cannot be solved
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do variables help in solving equations?
They eliminate the need for calculations
They make equations more complex
They replace unknown values
They simplify the equation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a letter like 'x' in an equation?
To simplify the equation
To replace a known value
To represent an unknown value
To make the equation more complex
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the equation 24 - 12 = x?
x = 36
x = 12
x = 24
x = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a cat ate 7 ounces of tuna and 5 ounces of trout, how can you represent the total fish eaten using a variable?
f = 7 / 5
f = 7 * 5
f = 7 + 5
f = 7 - 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of the band playing songs, what does the equation 38 - 5 * 6 represent?
Total songs played
Songs left to play
Total concerts
Songs played per concert
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