Aritmética

Aritmética Captura de Ecrã  Descarregar  Embutir
  • Multiplicação
  • Divisão
  • Fatorização
Flash Logo Simulação Original e Traduções

Tópicos

  • Multiplicação
  • Divisão
  • Fatorização

Descrição

Remember your multiplication tables? Practice your multiplication, division, and factoring skills with this exciting game. No calculators allowed!

Amostra das Metas de Aprendizagem

  • Explain how multiplication tables help understand multiplication, factoring, and division.
  • Use an array model to understand multiplication, factoring, and division.
  • Increase accuracy in multiplying, factoring and dividing.
  • Develop multiple strategies for arithmetic problems.

Standards Alignment

Common Core - Math

3.OA.A.1
Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.
3.OA.A.2
Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56 ÷ 8.
3.OA.A.4
Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?
3.OA.B.5
Apply properties of operations as strategies to multiply and divide.2 Examples: If 6 × 4 = 24 is known, then 4 × 6 = 24 is also known. (Commutative property of multiplication.) 3 × 5 × 2 can be found by 3 × 5 = 15, then 15 × 2 = 30, or by 5 × 2 = 10, then 3 × 10 = 30. (Associative property of multiplication.) Knowing that 8 × 5 = 40 and 8 × 2 = 16, one can find 8 × 7 as 8 × (5 + 2) = (8 × 5) + (8 × 2) = 40 + 16 = 56. (Distributive property.)
3.OA.B.6
Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8.
3.OA.C.7
Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
3.OA.D.9
Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.
Versão 1.0.21

Dicas para Professores

Descarregar dicas para professores PDF Revisão dos controlos das simulações, simplificação dos modelos, e instropeção ao pensamento do aluno (PDF). ( PDF ).

Vídeo Primário

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Atividades Submetidas por Professores

Preguntas de razonamiento para todas las simulaciones HTML5 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Diana López Graduado
Secundário
Primário
Básico
Univ-Intro
Univ-Avan
Discuss
TPC
Física
Química
Astronomia
Matemática
Juego de Aritmética (Basado en Indagación) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein, traducido por Diana López Secundário
Básico
TPC
Guided
Matemática
Arithmetic Games (Inquiry Based) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein Secundário Lab Matemática
Arithmetic (Multiply) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Philippe Guegan Básico Guided Matemática
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein Secundário Outro Química
Ciências Naturais
Física
Biologia
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein Básico Outro Ciências Naturais
Biologia
Física
Química
MS and HS TEK to Sim Alignment Elyse Zimmer Secundário
Básico
Outro Biologia
Química
Física
How are products and factors related? Seda Serpin Primário Lab
Guided
Matemática
Math facts - Using the Multiplication Chart Tapan Sarkar Básico Lab Matemática
Discovering divisibility rules Stacy Larson Básico
Secundário
Lab Matemática
Fixação da técnica de assertividade Francisco Aislan da Silva Freitas, Gilvandenys Leite Sales Primário Lab Matemática
Atividade de Aritmética Ramon Albuquerque Básico
Secundário
TPC
Lab
Guided
Matemática

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The new HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.

iPad:
iOS 11+ Safari
iPad compatible sims

Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.

Chromebook:
Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims

Windows Systems:
Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Google Chrome.

Macintosh Systems:
macOS 10.9.5+, Safari 9+, latest version of Chrome.

Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.

Equipa de Design Bibliotecas de Terceiros Agradecimentos Para
  • Amanda McGarry (lead)
  • Michael Dubson (co-lead)
  • John Blanco (developer)
  • Bryce Gruneich
  • Karina K.R. Hensberry
  • Trish Loeblein
  • Ariel Paul
  • Kathy Perkins
  • Beth Stade
  • almond-0.2.9.js
  • easing-equations-r12
  • FileSaver-b8054a2.js
  • fontawesome-webfont-3.0.2.svg
  • jama-1.0.2
  • jquery-2.1.0.js
  • lodash-2.4.1.js
  • pegjs-0.7.0.js
  • text-2.0.12.js
  • Tween-r12.js
  • Mobile Learner Labs