How To Multiply Decimals: No Calculator

This video explains how to multiply decimal numbers without using a calculator. We explain two different ways to do this; remove the decimal points (this can be used with grid, line and column multiplication methods) or by keeping the decimal points in place for the lattice method.
Practice questions and answers are at the end of the video. This is an updated, 4K version of our previous video.
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00:00 Introduction
00:47 Removing the decimals (column method)
01:42 Keeping decimals in place (lattice method)
02:37 Practice questions and answers
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