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In a small school district in North Dakota, elementary students make Valentine’s Day card boxes…
Check numbers are a method of checking addition. Sometimes, this is called Casting out Nines.…
Want to see something amazing? Check out Marshall and Karen’s fractal. Since it was the Christmas season, they…
This post is a personal post with a delightful math twist. I am Kathleen Cotter…
Note: This post was written in 2011, before RightStart Math’s second edition curricula was available.…
Old Main Game (#A4) This game is spin off of the popular child’s game Old…