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Playlist: 2nd grade
Broken Calculator: 2-Digit Subtraction
This calculator gets subtraction wrong the same way every time. Can your students crack its broken rule?
Struggle Makes Us Stronger
How the lotus can teach your young students about resiliency.
Spring Math Worksheets: Addition and Subtraction
Four sets of 2-digit and 3-digit addition and subtraction practice. But the unknown isn’t where you expect it to be!
Math Curiosity: Odds & Squares
Why does the sum of the first 5 odds also equal 5 squared?