Big Ideas K-3 Session 2 Marian Small ©Marian Small, 2010 Recall • Our focus tonight is on patterns and data(statistics). • We will, however, consider the betweensession work you did on number. ©Marian Small, 2010 Try this • Draw squares and circles to make a pattern. • Then draw squares and circles to make a non-pattern. • Draw your own “box” on the next empty screen and show ONE of your choices there. ©Marian Small, 2010 ©Marian Small, 2010 What big ideas about patterns did we touch? • That if there is a pattern, there is repetition. • That we seek pattern even when it’s not there. ©Marian Small, 2010 Recall- Big ideas are meant to… • Help you as a teacher see what you are really going for. ©Marian Small, 2010 Big ideas are meant to… • Help you as a teacher see what you are really going for. • Provide you with a teaching framework- to see how outcomes are connected. ©Marian Small, 2010 Big ideas are meant to… • Help you as a teacher see what you are really going for. • Provide you with a teaching framework- to see how outcomes are connected. • Give purpose to the activities you do ©Marian Small, 2010 Big ideas are meant to… • Help students build connections ©Marian Small, 2010 Big ideas are meant to… • Help students build connections ©Marian Small, 2010 Try this • • • • • A pattern begins 2, 4, 6, 8,…. What comes next? Are you sure? Click √ if you are sure and X if you are not. Let’s see what you did. ©Marian Small, 2010 So…. • We see that without a pattern “rule”, you can’t be sure of a pattern. ©Marian Small, 2010 Repeating pattern rules • What might repeating pattern rules sound like? • Raise your hands and I’ll call on someone to describe one. ©Marian Small, 2010 One big idea ©Marian Small, 2010 Another activity for BIP 1 • Make up a pattern where it’s really easy to figure out the pattern rule. • Make up a pattern where it’s not so easy. • Draw your own box on the next empty screen and put one of your patterns there and we’ll see if we can figure out which is which. ©Marian Small, 2010 ©Marian Small, 2010 And one more • The 8th number in a (growing) pattern is 12. • What might the pattern rule be? • One of you raise your hand to tell us your pattern. ©Marian Small, 2010 And one more • The 8th number in a pattern is 12. • How do you know there is more than one possibility? • Take the microphone to respond. ©Marian Small, 2010 And one more • If I tell you that there is 4 in a pattern somewhere and a 10 somewhere else, what else are you sure of about the other numbers in the pattern? • Raise your hand to respond. ©Marian Small, 2010 Another big idea • How much alike do you think these patterns are? • 2 2 1 2 2 1 2 2 1 Use √ for really alike and X for not so alike. ©Marian Small, 2010 Another big idea • How much alike do you think these patterns are? • 2 4 1 2 4 1 2 4 1 • Use √ for really alike and X for not so alike. ©Marian Small, 2010 Another big idea • How might you represent this pattern in a different way? • 1, 3, 5, 7, 9, 11,…. ©Marian Small, 2010 Another big idea • Maybe ©Marian Small, 2010 Or • Maybe Use the next screen to show your own way. ©Marian Small, 2010 Or ©Marian Small, 2010 ©Marian Small, 2010 What else could we ask? • I am thinking of an AABB pattern? • What could it look like? • Draw on the next empty slide. ©Marian Small, 2010 ©Marian Small, 2010 Or maybe.. • Suppose I clap, clap, snap…. • How can you make a very similar pattern but with emoticons instead of sounds? • Draw on the next empty slide. ©Marian Small, 2010 ©Marian Small, 2010 Which would you pick? • Which way of representing the pattern below would make it easier to see what the 20th number would be? ©Marian Small, 2010 Which would you pick? Choice 1: 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1… Choice 2: 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1… Type √ for Choice 1 and X for Choice 2 ©Marian Small, 2010 How does a hundreds chart help… • you to see that 14 + 20 = 34? • Raise your hand to respond. ©Marian Small, 2010 Hundreds chart 1 11 21 31 2 12 22 32 3 13 23 33 4 14 24 34 5 15 25 35 6 16 25 36 7 17 27 37 ©Marian Small, 2010 8 18 28 38 9 19 29 39 10 20 30 40 How does a hundreds chart help… • you to see that 32 – 9 = 23? • Raise your hand to respond. ©Marian Small, 2010 Hundreds chart 1 11 21 31 2 12 22 32 3 13 23 33 4 14 24 34 5 15 25 35 6 16 25 36 7 17 27 37 ©Marian Small, 2010 8 18 28 38 9 19 29 39 10 20 30 40 How do 10-frames help you… • to see that 8 + 6 = 10 + 4? ©Marian Small, 2010 How do 10-frames help you… • to see that 8 + 6 = 10 + 4? X X X X X X X X O O O O O O ©Marian Small, 2010 How do 10-frames help you… • to see that 8 + 6 = 10 + 4? X X X X X X X O O O O O ©Marian Small, 2010 X O ©Marian Small, 2010 What do you notice? • • • • 1x9= 9 2 x 9 =18 3 x 9 = 27 4 x 9 = 36 • How does it help with 6 x 9? ©Marian Small, 2010 How could a pattern… • show you that you won’t say 87 when you count by 5s? • Raise your hand to reply. ©Marian Small, 2010 Oh, yes… • 5, 10, 15, 20, 25, 30,…. ©Marian Small, 2010 ©Marian Small, 2010 The big ideas in algebra ©Marian Small, 2010 BIA 1 • Write the fact family involving 3, 4, and 7. • Does every fact family have 4 equations in it? • Check √ for yes or X for no. ©Marian Small, 2010 BIA 1 • I’ll tell you that no matter what number you say, I am going to add 2 to it, subtract 1, and then add 4. • Can you predict what will happen to any number you choose? • If I told you the end result, could you tell me what number I started with? • Raise your hand to reply. ©Marian Small, 2010 BIA 1 • Complete: • Adding 5 is the same as….. • Type some answers in text boxes on the next slide. ©Marian Small, 2010 ©Marian Small, 2010 How would you write…? • Why might I write [] + 3 = 5 to describe this? • Take the microphone to reply. ©Marian Small, 2010 You are helping… • the person in a toy department at a store figure out how to organize their toys. • What would you suggest? • Raise your hand to make a suggestion. ©Marian Small, 2010 You are helping… • Is there another way? • Raise your hand to make a suggestion. ©Marian Small, 2010 ©Marian Small, 2010 Or… • Provide picture cards, each with a picture of a type of food item. • Ask students to sort those cards in different ways? • Ask why anyone would want to sort them. ©Marian Small, 2010 Finding out about… • You know students are interested in WII games that they like to play. • You offer them a chance to conduct a survey to find out about game choices of their fellow students. • You could ask: ©Marian Small, 2010 Finding out about… • What is a question I could ask that would help me know the games others like? • What question might I ask about the WII games they use that might be less helpful? ©Marian Small, 2010 Why might you not… • ask your classmates to list the ice cream flavours they like if you are charged with deciding which three flavours to have parents buy for the class event? ©Marian Small, 2010 ©Marian Small, 2010 ©Marian Small, 2010 What does the graph tell you? Is this about BIDAD 1, 2 or 3? ©Marian Small, 2010 What does this bar graph make it really easy to see? Which big idea? ©Marian Small, 2010 Or this… • Which bar graph do you find more useful? Why? • Boys Type in √ for • Girls the top one and X for the bottom one. • Boys • Girls ©Marian Small, 2010 Useful??? • What is this graph useful for? • Boys • Girls • Which big idea??? ©Marian Small, 2010 So what did you do… • and how did it go? • Raise your hand to share. ©Marian Small, 2010 Next time… • The focus will be on shape and space. ©Marian Small, 2010 Before that.. • Try out some of the number or pattern or data questions I did or others you develop to bring out big ideas and be ready to share how it went. ©Marian Small, 2010