Terms to Know
A letter or number that represents an unknown value.
What is a variable?
The answer to 8 + 12.
What is 20?
The number of apples in one bag that will balance the scale:
13 apples + 1 bag 20 apples
^
What is "7 apples"?
Three more than a number x.
What is
x + 3?
12 + a = 26
a = 14?
A number that sits directly beside a letter or symbol.
What is a coefficient?
The value of m if:
7m - 3 = 11
What is
m = 2?
The number of candies in one bag that will balance the scale:
48 candies - 1 bag 36 candies
^
What is "12 candies"?
t - 6?
w - 8 = 25
What is
w = 32?
are all examples of this.
10 + 2y = 22
What is y = 6?
The number of cookies in one bag that will balance the scale:
25 cookies - 2 bags 5 cookies
^
What is "10 cookies"?
6h? (or 6 x h)
4t + 7 = 19
What is
t = 3?
What is an expression?
The value of q if:
3q - 3 = 2q + 2
What is
q = 5?
The number of Lego blocks in one bag that will balance the scale:
3 bags + 14 Lego blocks 38 Lego blocks
^
What is "8 Lego blocks"?
What is
2f + 4?
42/e - e = -1
What is
e = 7?
A combination of terms and operations that are equal to another set of terms and operations.
What is an equation?
The value of r if:
15r/6 = 10/r
What is
r = 2?
The number of comic books in one bag that will balance the scale:
4 bags + 37 comic books 53 comic books + 2 bags
^
What is "8 comic books"?
One fifth of a number is twenty.
What is
n/5 = 20 or 1/5 x n = 20
What is
h = 5?