In her “11 x” series, Posavec invented a visual code for translating numerals into graphic shapes, which turned cascading sets of long multiplication into intricately beautiful patterns. “I just ...

Have developed a solid foundation on which to build other multiplication concepts. Have had sufficient exposure to the 1’s and 2’s facts to be able to perform the 1’s times tables effortlessly and at ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

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