Forming Equations
Write an equation to help you solve the following problem.
Julie and her four friends wants to the split the number of total stickers. Each friend gets 5. How many total stickers are there?
x/5=5
5 stickers
Solve the equation for a
a+5=12
a = 7
a mathematical sentence that shows two expressions are equal
equation
* represents x o represents 5
What equation is the model displaying?
*=ooooo
x=25
Write an equation to help you solve the following problem.
On Trista's track team there 12 boys. If there are a total of 40 members on the team, which equation can be used to find the number of members that are girls?
x+12=40
Solve the equation for b
4b=20
b = 5
In 5x, the x is called...
the variable
* represents x
o represents 1
What equation is the model displaying
**=oooooo
2x=6
Write an equation to help solve the following the problem?
A game of bowling cost $12. How many games can I play if I have $120.
12x=120
Solve the equation for c.
c/3=7
c = 21
the operation to UNDO an action is called...
inverse operation
* represents x
o represents -1
What equation is the model displaying
*o=ooooo
x-1=-5
Write an equation to help you solve the following equation.
Grace wants to triple the number of servings in a recipe. If she needs 12 servings, how many servings are in the original recipe?
3x=12
Solve.
−2d = 14
d = -7
The number that is multiplied with the variable is called
coefficient
* represents x
o represents 2
What equation is the model displaying
***oo=oooo
3x+4=8
Write an equation to help you solve the following problem.
Mateo ran three fewer miles than Ivy. If Mateo ran 12 miles, how many miles did Ivy run?
x-3=12
Solve.
x/4=6
24
In 5x + 7= 9
The 9 is called...
a. coefficent
b. variable
c. expression
d. operation
expression
* represents x
o represents 1
What equation is the model displaying
****o=ooooooo
4x+1=7