Transcript Writing Algebraic Expressions

Warm Up
Write the operation (+,-, x, ) that corresponds to each phrase.
1.
Divided by
2.
Difference
3.
More than
4.
Product
5.
Minus
6.
Sum
7.
Multiplied by
8.
Quotient
Writing
Algebraic
Expressions
August 27, 2009
Variable = a symbol, usually a
letter, that represents one or
more numbers.
Algebraic expression = a
mathematical phrase that can
include numbers, variables,
and operation symbols.
Write an algebraic expression for each
phrase.
1. Seven more than n
n+7
2. The difference of n and 7
n-7
3. The product of seven and n
7n
4. The quotient of n and 7
n
7
Define a variable and write an
algebraic expression for each
phrase.
Two times a number plus five.
Define a variable.
Let n = the number
Write.
2*n+5
2n + 5
Define a variable and write an
algebraic expression for each
phrase.
1.
9 less than a number
2.
The sum of twice a number and
31
3.
A number increased by 3.
Write an algebraic expression
for each phrase.
1.
2.
3.
4.
5.
6.
4 more than p
12 minus m
y minus 15
The quotient of n and 8
23 less than x
The sum of v and 3
Define a variable and write an
algebraic expression for each phrase.
2 more than twice a number
A number minus 11
9 minus a number
A number divided by 82
The product of 5 and a number
The sum of 13 and twice a
number
7. The quotient of a number and 6
1.
2.
3.
4.
5.
6.