Vocabulary
Order of Operations
Properties of Addition
Inverse Operations
Place Value
100
The numbers you add together.
Addends.
100
PEMDAS
Acronym for order of operations
100
Commutative Property of Addition
Changing the order of addends does not change the sum.
100
Addition/Subtraction Multiplication/Divsion
Inverse operations.
100
Read the number: 43,624,005,019
43billion, 624million, 5thousand, 19
200
Difference
The answer to a subtraction problem.
200
Multiplication
The "M" in PEMDAS.
200
Identity Property of Addition
The sum of zero and a number is that number.
200
Related Sentence
Another word for inverse sentence.
200
Periods
Set of 3 digits in a whole number.
300
The largest number in a subtraction problem.
The minuend.
300
Left to right
Direction used in order of operations.
300
4+5=9
Addition number sentence
300
Inverse (related) number sentence for 10=4+m
m=10-4
300
Comma
Separates each period in a number.
400
Front-end Estimation
Adding/subtracting the front digit in the greatest place.
400
Order of Operations
Rules established by mathematicians to solve mathematical expressions.
400
Associative Property of Addition
Changing the grouping of the addends does not change the sum.
400
Letter that stands for unknown number in number sentence.
Variable
400
Number of digits in each period.
3
500
Rounded Numbers
"About" or approximate numbers.
500
Exponents
Second step of order of operations.
500
Parentheses
Symbol used for grouping
500
Allows you to find missing numbers in addition and subtraction sentences.
Inverse Operations.
500
Position of a digit in a number.
Place.
M
e
n
u