Japanese Multiplication - 3 seconds to learn how to multiply. Why didn't they have this when I was a kid? I want this taught to my kids!

Japanese Multiplication - 3 seconds to learn how to multiply. Perfect timing for my grader who is learning Singapore Math.

Resolver un problema http://oterodenavascues.educacion.navarra.es/blogs/elrincon/problemas-imprimir/

Resolver un problema http://oterodenavascues.educacion.navarra.es/blogs/elrincon/problemas-imprimir/

Truco para cuadrados de números terminados en cinco

Un truco para cuadrados de números terminados en cinco

taquiamila: Próxima actividad: cuerpos geométricos con palillos de dientes

taquiamila: Próxima actividad: cuerpos geométricos con palillos de dientes

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