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# Flexible problem solving with scientific notation

Lesson 8 of 10

## Objective: SWBAT solve problems involving scientific notation flexibly.

*75 minutes*

#### Warm Up

*10 min*

Each day, students complete a Warmup 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.

See a video of the warm-up from today here:

http://www.youtube.com/watch?v=p6R42-MUCng

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#### Play of the Day

*40 min*

For today's lesson I captured several video resources to portray the lesson in detail. The videos provide a sense of my classroom climate, as well as my students' fluency with problem solving using numbers in scientific notation. During this video students are working on POTD86 Flexible problem-solving with scientific notation:

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#### Huddle

*10 min*

For the Huddle in this lesson, we walk through the very complex question about comparing the total mass of ants to the total mass of humans, and come to the answer. I try not to do too much of the thinking for the kids here... They should be the ones doing the heavy lifting.

See Jeff Li Better Lesson Master Teacher Round 2 Evidence for a detailed presentation of examples of student work with teacher commentary.

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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: Laws of exponents
- LESSON 2: Zero and negative exponents
- LESSON 3: Apply properties to general equivalent expressions
- LESSON 4: Scientific Notation
- LESSON 5: Perform operations with scientific notation 1
- LESSON 6: Perform operations with scientific notation 2
- LESSON 7: Scientific notation - How many times larger?
- LESSON 8: Flexible problem solving with scientific notation
- LESSON 9: Review exponents and scientific notation
- LESSON 10: Assessment #11 - Exponents Unit Assessment