length and Option 2 width together You have a room that 3 m and doubling the long and 5 m wide. What result. would be the area that you Exploring would need to carpet? The efficient ways of room has skirting boards finding the areas that will need painting. Can of rectangles you work out the perimeter? Option 3 This shape is formed by 5 squares. If the perimeter of the shape is 48 cm, what is its area? CONTENT STUDENT TOPIC KEY IDEA Pre-ASSESS ASSESSMENT INVESTIGATION RESOURCES DESCRIPTOR JOURNAL ACMMG115 Apply Make Introduce the Can students enlarge a Enlarge the picture using the enlargement enlargements concept of shape using: one of the methods shown transformation to and reductions scale and a grid system (grid enlargement or scale familiar two of enlargement a scale factor factor) When complete, dimensional shapes Can students identify how write a statement about 5.1.12 and explore the shapes, pictures change a shape was enlarged - eg. which method was used properties of the and maps the size of an doubled, 4 times? (eg. grid system or scale resulting image object, but not factor) and why and what the shape. happens to the perimeter compared with the original and area of shapes when they are enlarged. CONTENT STUDENT TOPIC KEY IDEA Pre-ASSESS ASSESSMENT INVESTIGATION RESOURCES DESCRIPTOR JOURNAL ACMMG108 recognising that Milligrams, Sort objects Don’t sink the Boat! FISH problem solving kit Choose some units of Grams, according to the Students are to imagine Scootle appropriate units measurement Kilograms, appropriate unit that they are boarding a IWB of measurement are better Tonnes: used to record ship to travel to a mystery for length, area, suited for some their mass? island for a 3 day stay. volume, capacity tasks than Convert units of 5.1.13 and mass others, for measurement example (grams, kilograms, kilometres tonnes)? rather than Use equipment to metres to measure the mass measure the of an object? distance
length and width together and doubling the result. Exploring efficient ways of finding the areas of rectangles Option 2 You have a room that 3 m long and 5 m wide. What would be the area that you would need to carpet? The room has skirting boards that will need painting. Can you work out the perimeter? Option 3 This shape is formed by 5 squares. If the perimeter of the shape is 48 cm, what is its area? TOPIC CONTENT DESCRIPTOR KEY IDEA Pre-ASSESS ASSESSMENT INVESTIGATION STUDENT JOURNAL RESOURCES 5.1.12 ACMMG115 Apply the enlargement transformation to familiar two dimensional shapes and explore the properties of the resulting image compared with the original Make enlargements and reductions of shapes, pictures and maps Introduce the concept of scale and enlargement change the size of an object, but not the shape. Can students enlarge a shape using: a grid system a scale factor Can students identify how a shape was enlarged - eg. doubled, 4 times? Enlarge the picture using one of the methods shown (grid enlargement or scale factor) When complete, write a statement about which method was used (eg. grid system or scale factor) and why and what happens to the perimeter and area of shapes when they are enlarged. TOPIC CONTENT DESCRIPTOR KEY IDEA Pre-ASSESS ASSESSMENT INVESTIGATION STUDENT JOURNAL RESOURCES 5.1.13 ACMMG108 Choose appropriate units of measurement for length, area, volume, capacity and mass recognising that some units of measurement are better suited for some tasks than others, for example kilometres rather than metres to measure the distance Milligrams, Grams, Kilograms, Tonnes: Sort objects according to the appropriate unit used to record their mass? Convert units of measurement (grams, kilograms, tonnes)? Use equipment to measure the mass of an object? Don’t sink the Boat! Students are to imagine that they are boarding a ship to travel to a mystery island for a 3 day stay. FISH problem solving kit Scootle IWB
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