Order of Operations
Types of Numbers
Fractions
RR&P
Letters in Math
100
This acronym is often used to help students remember the order of operations.
What is PEMDAS?
100
This type of number has exactly 2 factors.
What is a prime number?
100
The fraction bar is also a symbol of this operation.
What is division?
100
This is a ratio comparing two different units.
What is a rate?
100
Any letter or symbol standing in for a number of unknown value is called this.
What is a variable?
200
You look for this operation after parentheses.
What is Exponents?
200
You multiply these numbers to get a product.
What are factors?
200
This the value of a fraction in which the numerator and denominator are the same.
What is one whole?
200
When two ratios have the same value, they make this.
What is a proportion?
200
If there is no operation symbol between a number and a variable, this operation is to be performed.
What is multiplication?
300
Multiplication and Division are worked in this order.
What is left to right?
300
This is a ratio that compares a number to 100.
What is a percent?
300
5/3 is this type of number.
What is an improper fraction?
300
Miles per hour and words per minute are examples of this type of rate.
What is a unit rate?
300
Do avoid confusion between the variable x and the multiplication X, you can use these symbols instead.
What are parentheses and/or multiplication dot?
400
In what must you see subtraction to work it before multiplication?
What is parentheses?
400
This is the sum of a fraction and a whole number.
What is a mixed number?
400
You must use this when adding or subtracting fractions with different denominators.
What is a common denominator?
400
The two numbers of a ratio can be separated by a fraction bar, the word 'to' and this symbol.
What is a colon?
400
In the formula A=lw, l stands for this.
What is length?
500
This phrase can be used to help students remember PEMDAS.
What is Please Excuse My Dear Aunt Sally?
500
A minuend minus a subtrahend equals this.
What is a difference?
500
To simplify a fraction in one step, divide both the numerator and denominator by their________.
What is their Greatest Common Factor?
500
Like fractions, you can do this with ratios.
What is simplify?
500
What two variables could be mistaken for operation symbols?
What are t and x?
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