Solve Equations
Word problems
Write inequalities from word problems
Write Equations
Write equations from word problems
100

x + 18 = 42

What is x = 24

100

The perimeter of a triangle is 36 inches.  The base of the triangle is 20 inches.  The other 2 sides have an equal length.  Write and solve and equation that represents the length of the other 2 sides.

2s = 36 - 20

2s = 16 (divide both sides by 2)

s =  8

100

Write the integer of:

a. Depositing 600 dollars in your bank account 

b. Withdrawing 150 dollars from your bank account

a. +600

b. -150

100
Write an equation and solve: Two more than a number is Fifty
What is 2 + x = 50 x = 48
100

Katheryn gets paid $10 for babysitting. She spends $2 on a package of trading cards. Write and solve an equation to show how much money Katheryn has left

What is x + 2 = 10 x = 8

200
x - 20 = 23
What is x=43
200

Don had 5 marbles. He lost two of them.  Which equation below best represents how many marbles Don has left?

a) m = 5 + 2

b) 5 = m -2

c) m = 5 - 2

d) 5 = 2 + m

He had a total of 5 marbles, but lost 2.

m = 5 -2

m = 3

Correct answer is c.

200

What is an inequality?

A comparison of two numbers. 

200
Write an equation and solve: A number minus 30 is ninety one
What is x - 30 = 91 x = 121
200
Nate gets paid $18 for mowing a lawn. He spends $5 on a package of trading cards and $6 on lunch. Write and solve an equation to show how much money Nate has left
What is 5 + 6 + x = 18 x = 7
300
2x = 22
What is x=11
300

Shannon has $6 more than twice the amount of  money that Dave has.  If Dave has $5, write an equation and solve how much money Shannon has.

Dave has $5.  Shannon has twice as much plus $6 more. 

x = (2X5) + 6

x = 10 + 6

x = 16

300

The class must raise at least $50 to go on a field trip. They have collected $10. Write an equation to show how much the class still needs to collect to go on the trip.  Solve the equation.

x = what the class still needs to collect

x = $50 - $10

x = $40

300
Write an equation and solve: Five less than a number is sixty nine
What is x - 5 = 69 x = 74
300
Anthony spent $36 on 3 pair of jeans. If each pair of jeans costs the same amount, write an algebraic equation that represents this situation and solve to determine how much one pair of jeans costs.
What is 3x = 36 x = 12
400
x/3 = 5
What is x = 15
400

Jet hit 2 home runs in the game.  He was walked 3 times in the game.  Which equation below best represents how many time Jet got to bat during the game?  Solve the equation.

a) b = 2 X 3

b) b = 3 - 2

c) b = 3 / 2

d) b = 2 + 3  

d) b = 2 + 3

b = 5

400

The elevator has a weight limit 1,200 pounds. There are 3 people on the elevator who each weigh 200 pounds. Write an equation to represent how much more weight the elevator can hold without going over the limit.

w = the amount of remaining weight the elevator can hold

x = 1200 - 3(200)

x = 1200 - 600

x = 600 more pounds the elevator can hold

400
Write an equation and solve A number nine times is sixty three
What is 9x = 63 x = 7
400
Morgan spent $61 on 4 pair of jeans. If each pair of jeans costs the same amount, write an algebraic equation that represents this situation and solve to determine how much one pair of jeans costs
What is 4x = 61 x = 15.25
500

0.55s = 2.75

What is s = 5

500

Solve: 3y = 21

get the variable y by itself:

3y = 21  (opposite of multiplication is division)

3y / 3 = 21 / 3

y  = 7


500

Write and Inequality comparing the integers:

-22 and -45

-22 > -45

500
Write and equation and solve Twice a number is four more than twelve
What is 2x = 4 + 12 x = 8
500
Seritte is saving her money to buy a new pony which costs $675. She has already saved $25. She earns $50 a week working at the stables. Write and solve an equation to show how many weeks it will take Sadie to earn enough money to buy a pony
What is 25 + 50x = 675 x=13 weeks
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