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Title: Lattice method multiplication grids
Type of Resource: Animação/simulação
Objective: This demonstration shows lattice method multiplication grids
Abstract: Multiplication by the lattice method shows all carries explicitly. Worksheets for the multiplication of p, an m-digit number, times q, an n-digit number, need m x n pairs of triangles for carries and last digits of elementwise products. Select the number m of decimal digits for multiplicand p and the number n of digits for the multiplier q, then rotate the resulting grid to emphasize either the m x n elementwise multiplications of digits or the additions of the resulting carries and last digits along diagonal columns. Note that the maximum number of digits in the result p x q is equal to the sum of digits m + n in multiplicand and multiplier
Observation: This demonstration needs the "MathematicaPlayer.exe" to run. Found in http://objetoseducacionais2.mec.gov.br/handle/mec/4737
Curriculum Component: Ensino Fundamental::Séries Finais::Matemática
Theme: Educação Básica::Ensino Fundamental Final::Matemática::Números e operações
Author: Schreiber, Michael
Language: English (en)
Country: United States (us)
Publisher: Wolfram Demonstrations Project
Description: Knowledge about algorithms, area and representations of numbers
Web Address: http://demonstrations.wolfram.com/LatticeMethodMultiplicationGrids/
Date: 2008
Rightsholder: The Wolfram Demonstrations Project & Contributors
License: Demonstration freeware using Mathematica Player
Submitter: Universidade Federal de São Carlos (UFSCAR)
URI: http://objetoseducacionais2.mec.gov.br/handle/mec/9291
This Educational Object appears in the following Types of resources: Ensino Fundamental Final: Matemática: Animações/Simulações