Definitions
What is a variable?
A quantity that may change.
What is 23 - 6?
17
6 x 4
24
9 divided by 3
3
What is an integer?
A whole number that can be positive, negative, or zero.
What does BODMAS stand for?
Order of operations in mathematics, which stands for Brackets, Orders, Division, Multiplication, Addition, and Subtraction.
What is 53 + 8 ?
61
7 x 7
49
24 divided by 8
3
If 10 + x = 15
What does x equal?
x = 5
What is a pronumeral?
A pronumeral (also known as a variable) is a letter or symbol used to represent a number in an algebraic expression or equation.
What is 199 + 4
203
8 x 9
72
81 divided by 9
9
If 3y = 30
What does y equal?
y = 10
Is this an expression?
5xYes!
This is an expression.
It is just one side of an equation.
What is 98 - 9 ?
89
14 x 2
28
200 divided by 50
4
If 2x + 2 = 10
What does x equal?
x = 4
Is this an equation?
4 + x = 32
Yes
An equation is a mathematical statement that two expressions are equal
1,200 + 123
1,323
13 x 3
39
250 divided by 25
10
If 7x - 4 = 17
What does x equal?
x = 3