Topic/Title:
WRITING
EXPRESSIONS AND
EQUATIONS
Date: ___________ Page #: ____________
SOL: ______________________________
Questions/Main Ideas:
WHAT IS AN
EXPRESSION ?
a math sentence that contains variables, numbers,
and at least one operation. An expression does not
have an equal sign.
WHAT IS AN
EQUATION ?
a math sentence that contains an equal sign. This
sign lets you know that the left side of the
equation is equal to the right side.
WHAT IS A VARIABLE?
a letter that is a placeholder in an equation.
WHAT ARE SOME
WORDS TO LOOK FOR?
ADD
MULTIPLY
SUBTRACT
DIVIDE
EXAMPLES
1.
WORD SENTENCE FIVE PLUS SEVEN IS TWELVE.
MATH SENTENCE
2.
3.
4. .
5 + 7 = 12
WORD SENTENCE
TWICE AS MANY TOMATOES AS LAST YEAR
MATH SENTENCE
2t or 2 x t
WORD SENTENCE
NINE LESS THAN t
MATH SENTENCE
T-9
WORD SENTENCE FIVE MORE THAN A NUMBER IS TWENTY
MATH SENTENCE N + 5 = 20
TRY THIS!!!!
Wavy underline the variable(s).
Circle the operation.
Box in the equality expression (the “is”).
Underline the numeric values.
A number increased by 8 is 23.
Twenty-five is 10 less than a number.
The quotient of a number and four is nine.
The sum of twice a number and nine is eleven.
The difference of twelve and the product of two and a
number is four.
Summary:
MATCH THE FOLLOWING
The difference between g and 4
9+x
Seventeen less than p
R+5
Five years older than Mr. Richie
P – 17
Nine increased by x
D + 10
Domino’s score increased by 10
G–4