ELL Math
NOTES
Name _______________________
Topic: Order of Operations
Period _______ Date_________
Questions/Main Ideas
Vocabulary:
simplify:
operations:
do that firs:
do that second:
do that third:
negative sign:
positive sign:
CLOs: Simplify each mathematical operation following the right order using PEMDAS.
Evaluate an expression. Differentiate between an equation and an expression.
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math operations
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expression
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equation
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evaluate
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simplify
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value
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P _______________________
E________________________
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M_______________________
D________________________
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A________________________
S________________________
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Math operations are the things we can do with numbers: add, subtract, multiply,
divide, etc.
has:
A math expression is a group of numbers, variables, and math operations.
have:
other:
others:
Some expressions have just
numbers and operations:
Other expressions may
have variables:
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An equation may have numbers, variables, and math operations.
An equation is different from an expression because it is a math sentence.
value:
An equation has an equal sign (=)
Example: _______________________________________________
be careful:
The value of a variable or of an expression is the number or quantity it represents.
Example:
If represent the number of seconds in an hour, what is the value of ? _________
Prepositions
below:
above:
under:
in:
at:
To evaluate an expression means to simplify and find the value of a math
expression.
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Add numbers with equal signs and leave the sign both have. Subtract numbers with
different signs and leave the sign of the greatest number.
4 + 3 =
4 - 3 =
4 - 4 =
-4 - 4 =
-3 - 4 =
- 3 + 4 =
-5 -10 -3 =
10 + 5 - 5 =
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for:
Special Case: BE CAREFUL WITH SIGNS!
into:
100 + -50 - - 50 - + 50 = _____________________________________________________
within:
5 + - 5 - + 3 + 10 - - 5 + + 2 - + 2 + - 5 = _____________________________________
Simplify.
between:
2  32  4
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before:
after:
17  6  2 11  32   3
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Evaluate.
5g  7  2  g  2 
for g = 4
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