Addition and Subtraction Examples
Official Definitions
Properties
Less Than or Greater Than?
Property Examples
100
a + b
What are addends?
100
number you get after adding the addends
What is the sum?
100
0
What is the additive identity?
100
7 > 4
What is seven is greater than four?
100
7 + 0 = 7
What is an example of the identity property of addition of whole numbers?
200
a + b = n(aUb)
What is the addition of whole numbers?
200
additive identity
What is 0 (zero)?
200
if a and b are whole numbers, then a + b = b + a
What is the commutative property of addition of whole numbers?
200
4 < 7
What is four is less than 7?
200
3 + 5 = 5 + 3
What is an example of the commutative property of addition of whole numbers?
300
n(aUb)
What is the sum?
300
a group of related facts using the same numbers
What is a fact family?
300
a + 0 = a or 0 + a = a
What is the identity property of addition of whole numbers?
300
if a is less than b then...
a + k = b
300
8 + (9 + 3) = (8 + 9) + 3
What is an example of the associative property of addition of whole numbers?
400
a - b = c
What is subtraction of whole numbers?
400
numbers being added
What are the addends?
400
if a, b, and c are whole numbers, then (a + b) + c = a + (b + c)
What is the associative property of addition of whole numbers?
400
a ≤ b
What is a is less than or equal to b?
400
7 + 1 = 8
What is an example of closure property of addition of whole numbers?
500
If a - b = c then
b + c = a
500
a step-by-step procedure for solving a problem of performing a computation
What is an algorithm?
500
if a and b are whole numbers, then a + b must be a whole number
What is the closure property of addition of whole numbers?
500
a ≥ b
What is a is greater than or equal to b?
500
6 - 2 = 4 so 2 + 4 = 6
What is an example of subtraction of whole numbers?
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