One-Step Equations
X + 17 = 20
X = 3
X = 2
What is the name of the 4 in the following Algebraic Expression? 5G + 4
Constant
Mr. Brightman had 12 Timbits, he ate some.
12 - B
Over the summer a student read 3 books. They have now read 9 books this year. How many books did they read in school this year?
6 books
Y - 12 = 20
Y = 32
4R - 3 = 9
R = 3
What is the name of the N in the following algebraic equation? 3 +N = 5
Variable
Mr. Brightman had $10 in his wallet, he found some change on the ground. He now has $12.
10 + C = 12
A student started the year with 20 pencil crayons. They lost some and now only have 12. How many did they lose?
8 pencil crayons
5B = 30
B = 6
27 - 2 = 5L
L = 5
What is the name of the 2 in the following Algebraic expression? 2A
Coefficient
Mr.Brightman Had some Candy he split it between himself and his two siblings.
A kid gave each friend a goody bag with 4 small toys on his birthday. He gave away 36 small toys. How many friends were at his birthday.
9 friends.
C/6 = 7
C = 42
38 + 4 = 2 + 8C
C=5
Is the following an algebraic expression or algebraic equation? 6L
expression
Mr. Brightman gave every student in his class 2 pencils.
A student ate 2 pieces of pizza for lunch Monday to Friday. On Friday he ate another 3 pieces when he went home. How many pieces did he eat in total?
13 pieces
123 - W = 61
W = 62
100 - 6G = 35 - 7
G = 12
What does an algebraic equation have that an algebraic expression does not?
=
Mr.Brightman gave every student in his class 2 pencils. The students lost 41, there are now only 5 pencils left.
2S - 41 = 5
$41