Formal Methods for Multiplication

Hugo Cheyneover 1 year ago

https://www.math-salamanders.com/multiplication-printable-worksheets.html#Short

Printable practice exercises for short multiplication with a long number multiplied by a single digit.

Hugo Cheyneover 1 year ago

https://www.youtube.com/watch?v=FJ5qLWP3Fqo

Very clear introduction video to the column based method for short multiplication.

Hugo Cheyneover 1 year ago

https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/imp-comparing-with-multiplication/a/multiply-by-1-digit-numbers-faq

This is a great unit of online videos and exercises introducing multiplication of up to 3 digit numbers by any 1 digit number, however it focuses on American methods of both using the distributive property and using area models.