The area of a shape is the size of its two dimensional surface. When a square measures 1 cm by 1 cm, we say it has an area of 1 cm 2 (centimetre squared). This rectangle covers 15 squares so it has an ...
BOY 1: Uno más uno es igual a dos. BOY 2: Cinco menos uno es igual a cuatro. BOY 3: Diez dividido por dos es igual a cinco. Tip: This video can be used as an interactive introduction to this topic or ...
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