Vocabulary
A letter or symbol for an unknown
What is a variable?
8 more than t
t + 8
What is b + 4
if b =13
17
f- 10= 23
f= 33
a mathematical sentence involving numbers and operation symbols
What is a algebraic expression?
5 less than s
s-5
What is n - 23
if n= 30
7
25+ d = 36
d= 11
What is an equation?
3 times more than n
3n
What is 24/x - 3
if x=4
3
3r= 36
r= 12
What is one of the most common variables used in mathematics?
x or y
25 divided by x
25/x
What is 5n-7
if n=5
18
Y*8= 64
Y= 8
What are 3 ways to write:
4 suckers times an unknown amount of children?
4x, 4*x, 4(x), 4•x, 4 x C
Three full bags of candy equals 60 pieces of candy.
3x = 60
What is a full bag of candy and two extra pieces -
if the bag of candy = 41 pieces?
x + 2
41 + 2 = 43
2x + 10 = 18
2*4 = 8, 8 + 10= 18