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Linear relations across the grades
- 1. Linear Relations Across the Grades BCAMT Fall Conference • October 2019
- 2. Chris Hunter • K-12 Numeracy Helping Teacher hunter_c@surreyschools.ca @ChrisHunter36 reflectionsinthewhy.wordpress.com/bcamt2019
- 5. Using the digits 1 to 9 at most one time each, fill in the boxes to make the slope of the line that passes through the points as small as possible. A( , ) B( , ) Open Middle
- 7. WANTED Linear Relation… … positive y-intercept … never passes through QIII … positive x-intercept … perpendicular to y = ½x + 3 … decreases from left to right … slope = -2 … x-intercept = 4 … has the same y-intercept as 8x – 3y +24 = 0 … passes through (1, 6)
- 8. Visual Patterns What comes next? Michael Fenton • @mjfenton
- 9. Visual Patterns What else? Michael Fenton • @mjfenton
- 10. Visual Patterns What comes next? Michael Fenton • @mjfenton
- 11. Visual Patterns What comes next? Michael Fenton • @mjfenton
- 12. Visual Patterns What comes next? Michael Fenton • @mjfenton
- 13. How many in Figure 10? Visual Patterns Michael Fenton • @mjfenton
- 14. Figure n? Visual Patterns Michael Fenton • @mjfenton
- 15. Visual Patterns How do you see it? Michael Fenton • @mjfenton
- 16. Visual Patterns 3n + 2 Michael Fenton • @mjfenton
- 17. Visual Patterns 3n + 2n groups of 3 Michael Fenton • @mjfenton
- 18. Visual Patterns 3n + 2 Michael Fenton • @mjfenton n groups of 3
- 19. Visual Patterns 3n + 2 Michael Fenton • @mjfenton n groups of 3
- 20. Visual Patterns 3n + 2 Michael Fenton • @mjfenton n groups of 3
- 21. Visual Patterns 3n + 2 Michael Fenton • @mjfenton
- 22. Visual Patterns 3n + 23 groups of n Michael Fenton • @mjfenton
- 23. Visual Patterns 3n + 23 groups of n Michael Fenton • @mjfenton
- 24. Visual Patterns 3n + 23 groups of n Michael Fenton • @mjfenton
- 25. Visual Patterns 3n + 2 Michael Fenton • @mjfenton
- 26. In what figure will the number of circles exceed 100? Visual Patterns Michael Fenton • @mjfenton
- 27. What comes next? What else could come next? What comes before? What comes between? What comes way down the line? Visual Patterns Michael Fenton • @mjfenton
- 29. Brian Palacios • @_b_p #sidewalkmath What comes before?
- 32. Michael Fenton • @mjfenton What comes way down the line?
- 35. 3-Act Math Tasks What do you notice? What do you wonder? Write down an estimate that is: too low too high just right What information would be helpful to have here?
- 36. 7541 pieces
- 38. 1329 pieces $179.99 7514 pieces ? How confident are you?
- 40. 4016 pieces $599.99 193 pieces $24.99 How confident are you now?
- 41. How confident are you now?
- 42. How confident are you now?
- 49. Kyle Pearce • @MathletePearce
- 50. Kyle Pearce • @MathletePearce
- 51. Kyle Pearce • @MathletePearce
- 52. Kyle Pearce • @MathletePearce
- 54. linear equations: slopes and equations of lines BigIdea(s) Com petencies Content
- 55. BigIdea(s) Com petencies Content linear equations: slopes and equations of lines
- 56. linear equations: slopes and equations of lines Foundations & Pre-calculus 10
- 57. Foundations & Pre-calculus 10 Math 9 two-variable continuous linear relations; includes rational coordinates linear equations: slopes and equations of lines
- 58. Foundations & Pre-calculus 10 Math 9 two-variable continuous linear relations; includes rational coordinates Math 8 discrete linear relations (extended to larger numbers, limited to integers) linear equations: slopes and equations of lines
- 59. Math 9 two-variable continuous linear relations; includes rational coordinates Math 8 discrete linear relations (extended to larger numbers, limited to integers) Math 7 discrete linear relations, using expressions, tables, and graphs (four quadrants; limited to integral coordinates)
- 60. Math 8 discrete linear relations (extended to larger numbers, limited to integers) Math 7 discrete linear relations, using expressions, tables, and graphs (four quadrants; limited to integral coordinates) Math 6 increasing and decreasing patterns, using expressions, tables, and graphs as functional relationships (limited to discrete points in the first quadrant)
- 61. linear equations: slopes and equations of lines BigIdea(s) Com petencies Content Constant rate of change is an essential attribute of linear relations and has meaning in different representations and contexts.
- 62. Big Ideas: Essential Qs • What are important features of lines? • How do these appear in tables, graphs, and equations? • Which representation should I use? • How can I make predictions?
- 63. BigIdea(s) Com petencies linear equations: slopes and equations of lines Content Constant rate of change is an essential attribute of linear relations and has meaning in different representations and contexts. ?
- 65. pp. 9-10
- 67. The Crow and The Pitcher Once upon a time, there was a thirsty crow. She came upon a pitcher that had some water in it, but when she put her beak into the pitcher she found she could not reach the water. Then, she had an idea. She looked around, found a pebble, and dropped it into the pitcher. The water rose a little bit. The crow was encouraged and continued to drop pebbles into the pitcher, one at a time, until the water rose up high enough for the crow to reach it with her beak. The crow drank and was satisfied! Moral: “Little by little does the trick.”
- 69. What counts? Conversations Observations Products EVIDENCE OF STUDENT LEARNING (triangulation) Exemplar #1 - Score: Carpool
- 73. Chris Hunter • K-12 Numeracy Helping Teacher hunter_c@surreyschools.ca @ChrisHunter36 reflectionsinthewhy.wordpress.com/bcamt2019