Equations (Add/Subtract)
Solve for x
x - 42 = 73
x = 115
What is the value of the equation below?
1.2x=6
x= 5
Solve for x
x - 10 ≥ 2
x ≥ 12
Solve for x
x/4 < 5
x < 20
write the following on inequality on a number line?
x > 3.4?
open circle and the arrow is going to the right
Solve for x
1.1 + x = 3
x= 1.9
An equation is shown.
2x=68
What is the value of x that makes this equation true?
x=34
What is the inverse of addition?
Subtraction
An inequality is shown
3y > 27
What are three numbers for y that would make this inequality true?
any number higher than 9
Maria is m inches tall. Blaire is 2 inches taller than Maria. If Blaire is 52 inches tall, write the equation that would be used to find how tall Maria is?
m + 2= 52
Solve for x
8.5 = x-1.5
x= 10
What value of x makes this equation true?
1/8x= 1
x=8
What is the inverse of subtraction?
Addition
An inequality is shown.
What value for y makes the inequality true?
5y>14
any number higher than 2
Sean started working out because he wants to gain at least 5 pounds. Write an inequality that represents how many pounds, p, Sean wants to gain?
p ≥ 5
Lucas buys a bottle of juice for $ 1.14 and is given $0.86 as change.
Write an equation that represents the situation if x
is the amount Lucas had before he bought the juice?
x - 1.14=0.86
Solve for x
13 = x/2
x= 26
Solve for x
2 + x ≥ 16
x ≥ 14
What is the inverse (opposite) of multiplication?
Division
Sylvia helped her father plant trees in their yard. Together, they planted 12 trees and then took a break. By lunch time, they had planted 25 trees. Write an equation that could be used to find t, the number of trees they planted between their break and lunch time?
12 + t=25
Liam has a collection of stamps. Last month he bought 15 new stamps, and now she has 120 stamps in total. Write an equation that represents the total number of stamps Liam had before he bought the new ones? Evaluate the equation.
Equation: x + 15= 120
Solution: 120-15= 105
Solve for x
0.5x = 4
x = 8
Alex is buying movie tickets online, and the website will only hold his ticket if he pays in under 10 minutes. Draw a number line that shows the amount of time the website will hold Alex's ticket?
open circle over the number 10 and the arrow going left on the number line showing all values less than 10
Maria needs at least $75 to buy a new dress. If Maria earns $5 per day baby sitting, write the inequality that shows how many days, d, Maria must work before she can afford the dress?
5d≥75
A water bottle can hold a maximum of 24 fluid ounces. Draw a number line that shows the possible volumes of liquid, in fluid ounces, in the water bottle?
Closed circle over the number 24 and the arrow going to the left over all numbers less than 24.