## 9-2 Construct a line of best fit_video narrative_POTD.mov - Section 2: Play of the Day

*9-2 Construct a line of best fit_video narrative_POTD.mov*

# Construct a line of best fit

Lesson 2 of 7

## Objective: SWBAT construct and interpret a line of best fit on a scatter plot.

## Big Idea: Spiral students' understanding of bivariate data and linear functions by constructing a line of best fit.

*75 minutes*

#### Warm Up

*10 min*

Each day, students walk into my classroom, pick up a classwork packet (that has the warm-up as well as the classwork for the day in one easy to pick up packet), and work on 2-3 problems. At different parts of the year, this may look different. Most often, it takes two possibilities:

a) Reviewing the previous day’s work, which prepares kids to tackle today’s aim.

b) Spiraling previous content, particularly from major standards from the Common Core

The key is that one of the problems should have 1 problem that nearly every student can be successful at, and then 1-2 problems that push their thinking and illuminate something new. The first allows kids to feel immediate success at the lesson’s outset, and the second pushes kids to think more deeply about mathematics.

It is incredibly important that warm-ups do NOT take up more than 10 minutes. OK, maybe 11 minutes. But that’s it. Seriously… an opening routine that goes long is the Achilles heel of many lessons, and being smart about how much time to spend here is critical.

Here are today's Warm Up Problems: 9 - 2 WU119 Construct a line of best fit

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#### Homework

*15 min*

9 - 2 HW119 Construct a line of best fit is to be completed at home and should take students approximately 15 minutes.

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- UNIT 1: FLUENCIES AND THE LANGUAGE OF ALGEBRA
- UNIT 2: SOLVING LINEAR EQUATIONS
- UNIT 3: INTRODUCTION TO FUNCTIONS
- UNIT 4: INTERPRETING AND COMPARING LINEAR FUNCTIONS
- UNIT 5: SYSTEMS OF LINEAR EQUATIONS
- UNIT 6: EXPONENTS AND SCIENTIFIC NOTATION
- UNIT 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
- UNIT 8: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS
- UNIT 9: PATTERNS OF ASSOCIATION IN BIVARIATE DATA
- UNIT 10: SLOPE REVISITED
- UNIT 11: VOLUME OF CYLINDERS, CONES, AND SPHERES
- UNIT 12: POLYNOMIALS AND FACTORING
- UNIT 13: QUADRATIC FUNCTIONS