I Know My Vocab
The name for an unknown value
What is a variable?
Sum means this operation.
What is addition?
Taja buys 2 unicorn pencils that each cost the same amount. The total cost is $20.
Write this equation.
What is 2x = 20?
4x = 12
What is x = 3?
A number that does not change in an expression
What is a constant?
Difference means this operation.
What is subtraction?
LaDarious buys 3 trucks that each cost the same amount. The total cost is $2000. How much does each notebook cost?
Write this equation.
What is 3x = 2000?
2 + x = 10
What is x = 8?
The number that is multiplied by the variable
What is the coefficient?
What is equals?
Ta'jir buys 4 movies that each cost the same amount and 1 bag of popcorn that costs $4. The total cost is $25.
Write an equation.
What is 4x + 4 = 25?
x - 5 = 15
What is x = 20?
The opposite operation is also called the...
What is inverse operation?
Twice means this operation.
What is multiplication?
Devin buys 3 footballs that each cost the same amount and 1 Baker Mayfield signed jersey that costs $200. The total cost is $260.
Write an equation.
What is 3x + 200 = 260?
Two expressions that are equivalent, or equal to, each other
What is an equation?
What is 2?
Jemirah watches 3 anime shows for the same amount of time. She also watches her favorite movie for 1.5 hours. She spends 4 hours watching her shows.
Write an equation.
What is 3x + 1.5 = 4?
x/6 = 7
What is x = 42?