This video will solve an addition equation in three different addition notations using decomposing. Next, the video focuses on comparing those notations to the traditional algorithm.
♦ 4 addition notation pages from the video
For worksheets in the notation of the Starting with the 2nd Addend example from the video, check out Addition Notations: Arrow Language.
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Treasure Number Lines: Where is the Answer on a Number Line? + Worksheets
Rounding to the Nearest 10, 100, and 1,000 on a Number Line + Worksheet
For pirate-themed and medieval-themed worksheets, check out Morsel Tidbits.