Vocabulary
What is the inverse of + 3 ?
Subtract 3
x + 3 = 7
x = 4
Sally bought 6 boxes of Kleenex and paid $36.
How much did each box of Kleenex cost?
*Write and Solve an equation
6x = 36
x = 30 ÷ 6
x = $6
Which word DOES NOT apply with an ADDITION word problem?
a. Added
b. Increased
c. Descended
Descended
Solve for x
6x + 3 = 15
* Show your work
6x = 15 -3
6x = 12
x = 12 ÷ 6
x = 2
What is the inverse of 5x ?
Divide 5
x - 10 = 3
x = 13
Adam was given some money for mowing lawns. After spending $9 on a cheeseburger and Dr Pepper, he now has $11.
How much money did Adam get for mowing lawns?
*Write and Solve an equation
x - 9 = 11
x = 11 + 9
x = $20
Which TWO words apply to a SUBTRACTION word problem?
a. Decreased
b. Deposited
c. Purchased
c. Rose
Decreased
Purchased
Solve for x
x/2 + 5 = 23
* Show your work
x/2 = 23 - 5
x/2 = 18
x = 18 ⋅ 2
x = 26
What is the inverse of x/20 ?
Multiply 20
5x = 125
x = 25
When Gavin and his brother split the cost of a pizza, he paid $8.
What was the cost of the pizza?
*Write and Solve an equation
x ÷ 2 = 8
x = 8 ⋅ 2
x = $16
Which word applies to DIVISION word problems?
a. Earned
b. Withdrawal
c. Split
d. Doubled
Split
Solve for x
3(x - 4) = 15
* Show your work
3(x - 4) = 15
x - 4 = 15 ÷ 3
x - 4 = 5
x = 5 + 4
x = 9
What is the inverse of - 9 ?
Add 9
x ÷ 4 = 12
x = 48
29 students were on a school bus. A big group of students got on at the last stop. There are now 40 students on the bus.
How many students got on the bus at the last stop?
*Write and Solve an equation
29 + x = 40
x = 40 - 29
x = 11 students
Which word DOESN'T belong?
a. Ascended
b. Gained
c. Deposited
d. Together
Deposited
Solve for x
( x + 4 ) ÷ 3 = 12
* Show your work
( x + 4 ) ÷ 3 = 12
( x + 4 ) = 12 ⋅ 3
x + 4 = 36
x = 36 - 4
x = 32
You have written two expressions equal to each other.
What have you created?
Equation
3/4 x = 12
x = 16
The morning temperature outside was 18 degrees. Throughout the day, the temperature dropped. By nighttime, the temperature was 5 degrees.
How much did the temperature drop throughout the day?
*Write and Solve an equation
18 - x = 5
-x = 5 - 18
-x = -13
x = 13 degrees
What do ALL of these words have in COMMON?
Each. Doubled. Product. Per.
They are in MULTIPLICATION word problems.
Solve for x
3( x - 3 ) + 2 = 12
*Show your work
3( x - 3 ) + 2 = 12
( x - 3 ) + 2 = 12 ÷ 3
x - 3 + 2 = 4
x + 1 = 4
x = 4 - 1
x = 3