place value-the value of where a digit is in a number
**4th grade expectation-->ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions
difference-the result or answer to a subtraction problem
regrouping-reorganizing the formation of a group; used in addition when "carrying" over to the next column; used in subtraction when "borrowing" from the next column
WITHOUT REGROUPING and GENERAL SUBTRACTION
Estimate Sums and Differences
(Source: StudyJams)
Relate Addition and Subtraction
(Source: StudyJams)
Add and Subtract Without Regrouping
(Source: StudyJams)
Subtract Using Open Number Line
(Source: Learn Zillion)
REGROUPING
Basic Regrouping
(Source: Khan Academy)
Subtract Using Standard Algorithm
(Source: Learn Zillion)
Regrouping
(Source: Khan Academy)
Regrouping Twice
(Source: Khan Academy)
Across Zeroes
(Source: Khan Academy)
Subtraction With Regrouping
(Source: StudyJams)