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Students evaluate and simplify algebraic expressions for the side lengths and perimeter of a composite shape. They then find x for a given perimeter.

Students calculate the perimeter of a range of 2-dimensional shapes.

Students use the scaled plan of a property to calculate the area of the pool, house, and lawn.

Students calculate the area of a composite shape.

Students calculate length and area of colours on the Danish flag.

Students use diagrams of two boxes with given dimensions to calculate the volume of both boxes and the number of smaller boxes that could fit into one of the boxes.

This practical task requires students to construct a one metre newspaper roll, use it to estimate the dimensions of a room, then calculate the volume of that room.

Students calculate the height of two cylinders given the radius, and identify a correct general statement about the relationship between radius and height for a given volume.

Students answer questions about perimeter and length of square and rectangle shapes.

Students calculate the capacity, in millilitres, of three containers whose measurements are given in centimetres.

Students enlarge a shape made of cubes and explore the relationship between the scale factor and volume.

Students use a diagram of, and information about a measuring cup (a cone) to calculate and answer questions about volume.

Students select a non-standard unit of measure to measure an envelope and explain their choice.

Students calculate the area of a range of rectangular shapes.

Students calculate the area of a space to be painted and the length of time it will take to paint a different area.

In this practical task, students decide which of four shapes have the same area, then use 100s blocks to check their answer.

Students use a given number of multi-link cubes to make and draw different rectangles.

Students calculate the height and base of two different triangles.

Students work out the area of a circle and a fraction (Sector) of a circle.

Task: Measure 100mL of water into three different pieces of equipment. Weigh the result and calculate the precision of using that piece of equipment. Assessment focus: measuring and evaluating the accuracy of equipment.

Students answer multiple-choice questions about volume of fish tanks given their dimensions.

This practical task requires students to construct open boxes from grid paper and calculate their volumes.

Students calculate the length of a builder's string line.

This practical task has students investigate the surface area of three objects and whether this influences the rate of evaporation. Students fill in a table, and calculate the water loss and answer questions to show their understanding.

Students write the simplest algebraic expressions for the lengths and area of parts of a composite shape, then solve these expressions using substitution. They then solve an equation that relates an algebraic expression to a given side length.