Join Mrs. McCartney for an addition number talk with D.C.! Join Mrs. McCartney for an addition number talk with D.C.! Get ready to have some fun subtracting two-digit numbers with regrouping and ...
How to subtract tens from two-digit numbers Bill and Bernie use labelled balloons to show subtractions of 10 from several two-digit numbers which are less than 100. Bernie thinks of a number and Bill ...
Subtraction from a two-digit number A group arrives at an airport to check in their 21 bags. They each want to keep a piece of hand luggage. Unable to work out how many bags they will need to check in ...
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