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- Unit 1: Starting Right
- Unit 2: Scale of the Universe: Making Sense of Numbers
- Unit 3: Scale of the Universe: Fluency and Applications
- Unit 4: Chrome in the Classroom
- Unit 5: Lines, Angles, and Algebraic Reasoning
- Unit 6: Math Exploratorium
- Unit 7: A Year in Review
- Unit 8: Linear Regression
- Unit 9: Sets, Subsets and the Universe
- Unit 10: Probability
- Unit 11: Law and Order: Special Exponents Unit
- Unit 12: Gimme the Base: More with Exponents
- Unit 13: Statistical Spirals
- Unit 14: Algebra Spirals

- LESSON 1: Math Exploratorium
- LESSON 2: Patterns in Arithmetic
- LESSON 3: The Amazing 1089
- LESSON 4: Bunnies, Pineapples and Fibonacci
- LESSON 5: Golden Ratios, A Treasure in Math
- LESSON 6: Skeleton Towers
- LESSON 7: The Shapes of Polygons
- LESSON 8: Building Squares with Cubes
- LESSON 9: Building Triangles with Cubes
- LESSON 10: Skeletons and Hexagons
- LESSON 11: Floors, Tiles and Fibonacci Numbers
- LESSON 12: Pizza and Crackers
- LESSON 13: Cowabunga Algebra

Objective

Start Up

Eating Numbers

Summary

Students will be able to predict the size and root of any square number.

Figurate Numbers

Lesson Author

Shaun Errichiello

New York, NY

Grade Level

Eighth grade

Subjects

Math

Triangles

Algebra

Standards

MP1

Make sense of problems and persevere in solving them.

MP2

Reason abstractly and quantitatively.

MP3

Construct viable arguments and critique the reasoning of others.

MP4

Model with mathematics.

MP5

Use appropriate tools strategically.

MP6

Attend to precision.

MP7

Look for and make use of structure.

MP8

Look for and express regularity in repeated reasoning.

15 minutes

Pizzas and Crackers, A study in Figurate Numbers.mov

30 minutes

15 minutes