grid method
[/ɡrɪd ˈmɛθəd/]
nounpl: grid methods
método da grade
1. A mathematical technique for multiplication in which numbers are broken down into place values and multiplied separately before being combined
Students learn the grid method to multiply two-digit numbers like 23 × 14.
Os alunos aprendem o método da grade para multiplicar números de dois dígitos como 23 × 14.
2. A drawing technique using a grid of squares to transfer or enlarge an image by copying it square by square
Artists use the grid method to accurately copy a small sketch onto a larger canvas.
Os artistas usam o método da grade para copiar com precisão um esboço pequeno em uma tela maior.
3. An organizational or analytical framework dividing space or data into uniform sections for systematic evaluation
The architect applied the grid method to analyze the site layout.
O arquiteto aplicou o método da grade para analisar o layout do local.
The grid method became prominent in Brazilian and UK primary education in the 1990s-2000s as part of modern mathematics pedagogy emphasizing conceptual understanding over rote memorization. In the USA, it's known as the 'area model' and is featured in Common Core standards. Artists have used grid methods for centuries, but the mathematical teaching application is a more recent pedagogical innovation.
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