Writing Equations
a= apples, b= bananas
Write an equation for: "Together, I bought 7 apples and bananas."
What is a + b= 7?
What does this symbol mean: < ?
What is less than or equal to?
x + 4 = 20
What is 16?
A graph of x < 30 would look like...
What is a graph with an open dot on 30 and shaded left?
The word that means a number that can change or is unknown
What is variable?
p=pencils
Write an equation for: "I doubled my amount of pencils and now I have 30".
X is greater than or equal to 6
What is x>6?
6x=54
What is x=9?
Graph as an inequality: "I bought more than 5 pounds of chocolate".
What is a graph that has an open dot on 5 and is shaded right?
A mathematical word for a value for the variable that makes an equation or inequality true
What is solution?
Write as an equation.
I had some money (m) and then I lost $10. Now I have $22.50.
What is m - 10 = 22.50?
Q is less than 14
What is q < 14 ?
2x= 9
In order to solve this problem, I would need to ____ both sides by ______.
What is divide both sides by 2?
A graph of x < -4 would look like...
What is closed dot on -4 and shaded left?
What is inequality?
Write an equation for:
Jeremy is 2 years older than Sasha.
What is S + 2 = J?
Write "at least 20" as an inequality.
What is x > 20?
1/4x=2 1/4
What is x=9?
A graph of -3 < x < 7 would look like...
What is a graph with a closed dot on -3, open dot on 7 and shaded inbetween?
The word that means terms that have the same variable raised to the same power
What are like terms?
c= cats, d= dogs
Write an equation for I have twice as many dogs as cats.
What is d=2c or c=d/2?
Write as an inequality: "You must be between 4 and 7 feet to ride the ride."
What is 4 < x < 7?
2x + 7x - 4 + 8 - x = 28
What is x=3?
What is a graph that has a closed dot on 50 and is shaded left?
The word that means operations that undo each other
What are inverse operations?