Operations with Signed Numbers
Addition.
- If the signs of the numbers are the same, ADD. The answer has the same sign.
- If the signs of numbers are different, SUBTRACT. The answer has the sign of the larger number.
Addition Concept
What is Addition?
Properties of Addition
The Associative Property of Addition
Adding Whole Numbers 1
Adding Whole Numbers 2
Adding Whole Numbers 3
Add it up with T-Charts
Add it up with T-Charts 2
Subtraction Concept
Properties of Subtraction
Estimating sums of Whole Numbers
Subtracting Whole Numbers 1
Subtracting Whole Numbers 2
Subtracting Whole Numbers 3
Subtracting Whole Numbers 4
Subtracting Whole Numbers 5
Subtraction. Change subtraction to addition of the opposite number.
WN04 Add_Integers
WN05 Whole Numbers Add
WN06 Missing_Addends
WN07 Subtract_Integers
WN08 Whole Numbers Subtract
WN09 Reverse_Subtraction
WN10 AddSub Whole Numbers
WN11 Missing AS Whole Numbers
WN12 Missing Addends
ME11 __________ Temperature Word Problems
IN03 Adding and Subtracting Positive and Negative Numbers 1
IN12 Adding and Subtracting Positive and Negative Numbers 2
IN04 Addition and subtraction of integers (signed) ◄ ◄ ◄
IN06 Addition and Subtraction of Integers w/digits
Adding, Subtracting Integers Help