This is the name for the LETTER that represents the missing number in algebra.
What is a variable (or unknown)?
100
What are the 4 properties of equality?
What are addition, subtraction, division, and multiplication?
100
k - 1 = 23
What is k = 24?
100
3w - 6 = 27
What is w = 11?
100
2 numbers that are the same distance from 0 are called this.
What are opposites?
200
n + 7 is an example of this. (It is just a part of an algebra problem.)
What is an expression?
200
c + 3 = 12
(c + 3) -3 = 12 - 3
The Property of Equality that is being shown here is...
What is Subtraction Property of Equality?
200
5 + g = 24
What is g=19?
200
8a + 12 = 84
What is a = 9?
200
The opposite of 6 is this.
What is -6?
(negative 6)
300
z - 5 = 11 is an example of this.
What is an equation?
300
You need to use this Property of Equality to solve this equation.
y/3 = 21
What is the Multiplication Property of Equality?
300
11n = 88
What is n = 8?
300
33 + 10v = 73
What is v = 4?
300
The opposite of 0 is this.
What is 0?
400
This is what we use to solve algebra equations in order to get the variable all by itself.
Example: if our equation is t - 4 = 12 how do you know what to do to get t by itself?
What are inverse operations?
400
You need to use this Property of Equality to solve this equation.
5h = 30
What is the Division Property of Equality?
400
104 = 4r
What is r = 26?
400
13b + 41 = 93
What is b =4?
400
This is an integer that represents a deposit of $53.
What is 53?
(positive 53)
500
There are 4 of these. They include addition, subtraction, division, and multiplication. They help us to solve algebra equations.
What are Properties of Equality?
500
You need to use these Property of Equality to solve this equation.
n/2 + 9 = 29
What are the Multiplication and Subtraction Properties of Equality?