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* *Reflection: Routines and Procedures
Assessment #9 - Section 1: Warm-up

Today's warm-up is a good example of what early finishers can do if the task is well-designed... solve it in a different way!

When kids are done graphing (a skill that exacerbates the pace of work for my diverse group of students), I ask them to see if they can find the break-even point another way. This student decided to use substitution, yielding the same answer, and further reinforcing the idea that there are multiple ways to solve any problem, as well as the inherent beauty in mathematics.

I also used this student's work as a guide for the type of organization I am looking for on the assessment, which has several open-ended questions.

*Routines and Procedures: What Do Early Finishers Do On A Warm-Up?*

# Assessment #9

Lesson 6 of 19

## Objective: SWBAT demonstrate mastery on unit objectives - systems of linear equations through substitution and graphing.

*65 minutes*

#### Warm-up

*10 min*

Each day, students complete a warm-up that usually consists of spiraling the previous day's material, in addition to older material. Warm-up problems also sometimes extend lessons that students have encountered before to more unfamiliar contexts.

For a video narrative about how I structure each lesson, and how the warm-up fits in, click here.

Occasionally, I use a quick warm-up on test days to "pre-test" students on concepts that they might be shaky on, as one last way to solidify their understanding. They are based on previous year's data and my own analysis of the most common misunderstandings, and provide a much better assessment and review than, "so, before the test, are there any questions?"

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#### Resources

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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

- LESSON 1: Solve systems of linear functions by graphing - TWO lines on the same graph?!?
- LESSON 2: Solve systems of linear equations by graphing - with some real-life applications
- LESSON 3: SUB! How can we use the properties of algebra to figure out the intersection of two lines WITHOUT graphing? (Day 1 of 3)
- LESSON 4: SUB! How can we use the properties of algebra to figure out the intersection of two lines WITHOUT graphing? (Day 2 of 3)
- LESSON 5: SUB! How can we use the properties of algebra to figure out the intersection of two lines WITHOUT graphing? (Day 3 of 3)
- LESSON 6: Assessment #9
- LESSON 7: Elimination 1 - add or subtract only
- LESSON 8: Elimination 2 - add or subtract only
- LESSON 9: Elimination 3 - multiply one equation only
- LESSON 10: Elimination 4 - multiply one equation only
- LESSON 11: Elimination 5 - mulitply both equations
- LESSON 12: Choose the best method to solve systems of equations
- LESSON 13: Real-life Systems 1
- LESSON 14: Real-life Systems 2
- LESSON 15: Real-life Systems 3 - Easy Price
- LESSON 16: Real-life Systems 4 - Sum Plus One Other
- LESSON 17: Real-life Systems 5 - Price-Sum Plus One Other
- LESSON 18: Mixed Review of Systems of Equations
- LESSON 19: Assessment #10 - Systems Unit Assessment