Writing Algebraic Expressions
What is the sum of
x and 7?
x+7
8h+5
h=2
21
base 10cm
height 7cm
Area= 35 cm squared
base=9km
height=100 km
area=900 km squared
A number that is multiplied by a variable.
Example 2x
Coefficient
12 less than e
e-12
4h-3f
h=9 f=12
0
base= 4 in
height= 3 in
Area= 6in squared
base= 12 units
height= 10 units
area= 120 units squared
a number, a variable, or a product of numbers, variables, and/or expressions.
term
quadruple t
4t
t(s+1)/12
s=7 t=9
6
base= 10 ft
height= 20 ft
area= 100 ft squared
base= 5 m
height= 90m
area= 450 meters squared
A letter that represents an unknown number. In some cases, it could represent more than one number.
Variable
6 decreased by x
6-x
5(a+b)/ 25
a=12 b=8
4
height=3 units
base= 2 units
area= 3 units squared
base= 8 in
height=3 in
area= 24in squared
A number that stays the same in an algebraic expression.
constant
What is the sum of
g and12?
g+12
4(j+1)/ 2
j=7
16
base=6 km
height= 8 km
area= 24km squared
base=12 cm
height= 10 cm
area= 120 cm squared
The answer to an addition problem?
Sum