APS MATHS UNIT PLANNER Dimension: SPACE Length of Unit: 6-8 lessons VELS Learning Focus Statement: VELS Standard/s (if necessary): Dimension Level Space 1.0 Standard 1.25 VELS Level 3 Focus: Term: 2 2D and 3D Shapes Progression Point … Students identify basic two-dimensional shapes such as triangles, circles and squares and three-dimensional solids and objects such as boxes and balls. They sort geometric objects according to simple descriptions. Recognition of lines, corners and boundaries in two-dimensional shapes Classification of shapes according to number of sides 1.5 Sorting of objects onto a Venn diagram labelled with shape information 1.75 2.0 Standard 2.5 Year: 2011 Identification of the important features of two-dimensional shapes and use of these distinguishing features to compare and contrast various shapes … Students recognise lines, surfaces and planes, corners and boundaries; familiar two-dimensional shapes including rectangles, rhombuses and hexagons, and three-dimensional shapes and objects including pyramids, cones, and cylinders. They arrange a collection of geometric shapes, such as a set of attribute blocks, into subsets according to simple criteria, and recognise when one set of shapes is a subset of another set of shapes. Identification of shapes in terms of faces, edges and vertices 3.0 Standard 3.5 … Students identify edges, vertices and faces. Classification and sorting of two-dimensional shapes using the properties of lines (curvature, orientation and length) and angles (less than, equal to, or greater than 90°) 4.0 Standard … Students classify and sort shapes and solids (for example, prisms, pyramids, cylinders and cones) using the properties of lines (orientation and size), angles (less than, equal to, or greater than 90°), and surfaces. Vocabulary Development: All different 2D shapes, All different 3D shapes, perpendicular, straight line, vertical, horizontal, solid, net, face of shape, vertex/vertices, edges, parallelogram Common Assessment Tasks Assessment FOR Learning Assessment OF Learning Assessment AS Learning Student Tasks (Teachers to asses students abilities Student Tasks. during each lessons and work with focus groups Nelson Maths Assessment Task where necessary) Other Resources: Maths of the Go Book 1 and 2 Rob Vingerhoets, Problem Solving in Mathematics Book E, toothpicks, chickpeas, geoshapes, cardboard paper, protractors, 2D flat shapes. NAPLAN 2010, Nelson Maths 3&4 1 APS MATHS UNIT PLANNER VELS Level 3 Term: 2 Year: 2011 Teaching and Learning Sequence Seque nce Focus Warm up Establi shing Prior Knowl edge 1 Lesson Focus – What is it I want my students to know by the end of the lesson? To find out what students already know about 3D Shapes To have students identify features of 2D and 3D shapes. How are they characterised? Exploring the language of the unit. Student Learning Activity (including introduction) Students to be posed question – What do you know about 2D and 3D shapes? Students can use diagrams and words to show their thinking. Introduction - What does 2D stand for? What does 3D stand for? What does the D stand for? What is dimensional mean? What are the differences between and similarities between 2D and 3D shapes? http://www.bgfl.org/bgfl/custom/resources_ftp/client_ ftp/ks2/maths/3d/index.htm http://www.watchknow.org/Vide o.aspx?VideoID=27366&CategoryI D=6976 Venn Diagram comparing 3D and 2D shapes. Students to create on Venn Diagram and add to it from classroom shapes and then walk around school to locate 2D and 3D shapes to add to Venn Diagram. 2 To have stude nts recog nise 2D and 3D shape s within and What shape am I? Look at geometric shapes – what are their names? Teacher to read out statements students have to guess shape. Students can: identify the faces, edges and corners on common 3D objects identify 3D objects from different views Share / Reflection / Assessment Introduction – Rainforest Maths – 3D Shapes – What is my view. 1. Provide students with a variety of common 3D objects, including cones, cubes, cylinders, spheres and prisms, to observe and manipulate. Discuss with students the features of common 3D objects - the shape of the faces, as well as the number of corners, edges and faces. These could be recorded in a class chart. 2. Students select a known 3D object, e.g. cube, sphere, cone, cylinder, rectangular prism, Create class diagram-Name, definition, related words, example. Students to compare diagram from first lesson to last lesson. See/Saw: In pairs, one person goes first (See) to state something that they learned from today’s lesson. The other person (Saw) then states something they gained from the session. Back to See’s turn. This continues until either See or Saw is unable to recall another fact of the lesson. 2 APS MATHS UNIT PLANNER VELS Level 3 Term: 2 Year: 2011 pyramid, triangular prism. outsid e the enviro nment . 3. Students take their object and place it on a base to establish a chosen orientation. Question the students regarding the view of their object and the shape of its faces from the chosen orientation. What shape are the faces in this view? In this view can you see circles? rectangles? etc. Students view the same 3D object and change the orientation then respond to the same questions. What shape will you see from the top? From the side? From the front? 3 APS MATHS UNIT PLANNER VELS Level 3 Term: 2 Year: 2011 Extension: use square based pyramid. Turn on side and do the views again. 3 . What shape am I? Look at geometric shapes – what are their names? Teacher to read out statements students have to guess shape. Using mathematical language to describe the properties of shape. Share samples of student work. http://www.primaryresources.co.uk/maths/powerpoint /cm_3dShapes.swf Students to choose 2 3D shapes and draw onto A3 paper to create a “What shape and I?” Use kinder squares to cover the shape and write clues on the front of the kinder square to solve the problem – “What shape am I? Either display or create a class book. For example - I have 5 flat surfaces. My base surface is square. The other 4 surfaces are triangular, that make a sharp point. What am I? 4 APS MATHS UNIT PLANNER 4 Understand that 3D shapes can be made from different nets Create, compare and describe different twodimensional nets that can be folded into a threedimensional cube Examine the properties of the nets and resulting cubes, including surface area Use rotations and flips to compare various nets Questions to ask - What properties are common to all nets that will form a cube? [All acceptable nets have six squares and 14 sides.] What type of nets will not work? Why not? [Nets with more or fewer than six squares will not work. In addition, many nets with six squares cause two squares to overlap. Obvious cases of this are when four squares share a vertex; when two squares lie on the same side of a VELS Level 3 Term: 2 Building A Box Emma got a new job at the Acme Box Factory. Her job is to construct cubes that will be used as jewellery boxes. Her boss, Ron, showed her the company’s current blueprint for making these boxes (Figure 1). He explained, “This shape is called a net. A net is a flat figure that can be cut out and folded into a box. This net can be folded into a cube that measures 3 centimetres on each side.” Emma was then instructed to cut out Figure 1 and fold it into a cubical box. (You may also want to do this.) “Your job,” Ron continued, “is to draw as many of these nets as you can, cut them out, and fold them into cubes.” “Do all my nets have to look like this one?” asked Emma. “Well, I guess they don’t have to look like that… but how else could they look?” inquired Ron. Emma quickly sketched out another net (Figure 2) and exclaimed, “Wouldn’t this also work?” “Yeah, maybe,” said Ron sceptically. “It doesn’t matter to me how you do it. You can make the nets anyway you want, as long as you end up with cubes measuring 3 centimetres on each edge.” “Great!” replied Emma. “I wonder how many ways there are to make such a net?” Your task is to help Emma answer this question: How many different nets can you draw that can be folded into a cube? Use the grid paper to draw and test several net designs, and then count and label each of the different figures. Carefully explain how you know that you have found all possible nets that will form a cube. Year: 2011 Rocket Writing: You have 4 minutes to write about anything you learnt today. (Students are not to write a recount of the activity must be about things they learnt Tell me everything you know about angles.). 5 APS MATHS UNIT PLANNER center row of squares; and when more than four squares occur in a row.] Without folding, is there a quick way to determine whether or not a net will fold into a cube? [If a net suffers from any of the problems noted above, it will not form a cube, and these problems can be determined by visual inspection.] How can you determine if two nets are identical? [One of the nets will fit exactly on top of another net when flipped or rotated.] What sort of properties does your final cube have? How do these compare to the properties of the nets? [The surface area of the cube is equal to the area of the net. The cube has 12 edges, while each net has 14 sides.] 5 . To make shapes from nets and identify the attributes of the shape. Figure 1. VELS Level 3 Term: 2 Year: 2011 Figure 2. Introduction – Matching nets to shapes. How do you know what matches? What do you visualise when you see the net? What are the properties of this shape? Also work backwards - what would this 3D shape look Journal Entry. Why are certain objects in the environment the shape they are? Give me three more examples of 6 APS MATHS UNIT PLANNER VELS Level 3 Term: 2 like as a net? Year: 2011 objects in the environment and reasons why they are that shape? Support – Computer Task - http://www.ngflcymru.org.uk/vtc/ngfl/maths/cynnal/polyhedra/polyh ydra.html - Complete results activity sheet (support version) Consolidate – Making 3D Shapes from Nets and naming the properties of that shape. Extend - Give students 3D shapes to complete problem – What is the same and what is different about these shapes? (Use Venn diagram to sort) 6 Tell me 10 true things about this shape..... 7 To have students identifying different views of cubes. Drawing cubes. Students practise drawing all shapes in order to be able to read and understand 3D shapes. Verbal Sharing. Ask students how their shape would change if they swapped the base to a round shape or polygon. To have creating 2D shapes. Student Task. 3D shapes Give each child some chickpeas and toothpicks. Journal Entry What is an edge? What is a vertice? students and 3D 1. Which 2D shapes can we make? Let the students work individually. The chickpeas will be used as "corners" and the toothpicks and the sides. . 2. When all students seem confident in making 2D shapes. Let them continue by making different 3D shapes on their own. 3. Thereafter let the children work in pairs, to create one 3D shape of their own choice, using as many tooth picks and chickpeas as they want, as long as they can keep the 3D shape from falling apart. When they are done with their shape, let it dry and use a string to hang it on the classroom ceiling. 7 APS MATHS UNIT PLANNER VELS Level 3 Term: 2 Year: 2011 Underneath each shape they put a note, on which they have written their names, and also a "name" for their shape. 8 Extension activities: -Discuss where in real life the students have seen shapes, like the ones they have created? -Draw 2D shapes from the 3D shapes. Copy from different angles, and write the names of the 2D shapes. -Measurement activities: Count the number of toothpicks and chick-peas or calculate the area, circumference, volume, weight etc. Assessment Task (you may like to give this task at the beginning of the unit for baseline data and again at the end to see progress made from the unit of work) Nelson Maths Books 3& 4, plus OET. Assessment task to be found in grade teaching team folder. Create class diagram-Name, definition, related words, example. Students to compare question from first lesson to last lesson. 8