Area 2 Outcomes Content Limited Basic Sound High Outstanding descriptor Selects and uses Solve problems Explores the Explains the Explains the Explains and applies Explains and applies the appropriate unit involving the relationship between relationship between relationship between the relationship the relationship to calculate areas, comparison of areas the area of a triangle the area of a triangle the area of a triangle between the area of between the area of including areas of using appropriate and the area of the and the area of the and the area of the a triangle and the a triangle and the squares, rectangles units (ACMMG137) rectangle of the rectangle of the rectangle of the area of the rectangle area of the rectangle and triangles same length and same length and same length and of the same length of the same length perpendicular height perpendicular height perpendicular height and perpendicular and perpendicular using concrete using concrete height height in a variety on materials with materials eg use a contexts teacher assistance copy of the given triangle with the given triangle to form a rectangle Establishes the Establishes the Establishes the Establishes and Establishes and relationship between relationship between relationship between applies the applies the the base length, the base length, the base length, relationship between relationship between perpendicular height perpendicular height perpendicular height the base length, the base length, and area of a and area of a and area of a perpendicular height perpendicular height triangle with teacher triangle by recording, triangle by and area of a and area of a assistance using words, the recording, using triangle by triangle by method for finding words, the method recording, using recording, using the area of any for finding the area words, the method words, the method triangle, with teacher of any triangle, eg for finding the area for finding the area assistance 'Area of triangle = 1 of any triangle in a of any triangle, and /2 x base x variety of contexts applies knowledge perpendicular height in a variety of familiar and unfamiliar contexts
Area 2 Outcomes Content descriptor Limited Basic Sound High Outstanding Selects and uses the appropriate unit to calculate areas, including areas of squares, rectangles and triangles Solve problems involving the comparison of areas using appropriate units (ACMMG137) Explores the relationship between the area of a triangle and the area of the rectangle of the same length and perpendicular height using concrete materials with teacher assistance Explains the relationship between the area of a triangle and the area of the rectangle of the same length and perpendicular height using concrete materials eg use a copy of the given triangle with the given triangle to form a rectangle Explains the relationship between the area of a triangle and the area of the rectangle of the same length and perpendicular height Explains and applies the relationship between the area of a triangle and the area of the rectangle of the same length and perpendicular height Explains and applies the relationship between the area of a triangle and the area of the rectangle of the same length and perpendicular height in a variety on contexts Establishes the relationship between the base length, perpendicular height and area of a triangle with teacher assistance Establishes the relationship between the base length, perpendicular height and area of a triangle by recording, using words, the method for finding the area of any triangle, with teacher assistance Establishes the relationship between the base length, perpendicular height and area of a triangle by recording, using words, the method for finding the area of any triangle, eg 'Area of triangle = 1 /2 x base x perpendicular height Establishes and applies the relationship between the base length, perpendicular height and area of a triangle by recording, using words, the method for finding the area of any triangle in a variety of contexts Establishes and applies the relationship between the base length, perpendicular height and area of a triangle by recording, using words, the method for finding the area of any triangle, and applies knowledge in a variety of familiar and unfamiliar contexts