How can you write an expression that represents an unknown

WRITING
EXPRESSIONS
How can you
write an
expression that
represents an
unknown
quantity?
WRITE THE PHRASE AS
AN EXPRESSION:
8
21
ANSWER:
8
21
WRITE THE PHRASE AS
AN EXPRESSION:
the
30 and 9
ANSWER:
the
30 and 9
WRITE THE PHRASE AS
AN EXPRESSION:
14
a
number x
ANSWER:
14
a number x
WRITE THE PHRASE AS
AN EXPRESSION:
A number y
75
ANSWER:
A number y
75
WRITE THE PHRASE AS
AN EXPRESSION:
the
3
and a number z
ANSWER:
the
3 and a
number z
1. 
2. 
3. 
4. 
5. 
6. 
The sum of 18 and 35
6 times 50
25 less than a number b
A number x divided by 4
The total of a number t and 11
100 decreased by a number k
1. 
2. 
3. 
4. 
5. 
6. 
18 + 35
6 x 50
b – 25
x /4
t + 11
100 - k