## Grade 9

*Number*demonstrate an understanding of powers with integral bases (excluding base 0) and whole number exponents

- Fake Money -
*Andrew Stadel* - Visual Exponential Patterns -
*Michael Pershan*

*TBA*

determine the square root of positive rational numbers that are perfect squares

determine an approximate square root of positive rational numbers that are non-perfect squares

*Patterns and Relations*generalize a pattern arising from a problem-solving context using linear equations and verify by substitution

- Visual Patterns - Fawn Nguyen

- Stacking Cups - Dan Meyer
- Barbie Bungee - Fawn Nguyen, Matt Vaudrey, Illuminations

- Stacking Cups - Dan Meyer
- Barbie Bungee - Fawn Nguyen, Matt Vaudrey, Illuminations
- Lemonade Stand Problems -
*Algebra One Blog from Mr. Pershan* - Number Tricks -
*Sadie Estrella*

demonstrate an understanding of polynomials (limited to polynomials of degree less than or equal to 2)

- TBA

- TBA

*TBA*

*Shape and Space*solve problems and justify the solution strategy using circle properties

- Stairway to Heaven (to be created, and not to be confused with the Mathalicious Lesson)
- Circle Problems from Japan -
*I Hope This Old Train Breaks Down*

- Pop-box Design
- Pop-box Design Projects -
*Nat Banting*

- Why Algebra Matters -
*Dan Meyer* - How High is it? - The Child's Primary School

- The Bone Collector -
*Dan Meyer*

- Snowflake Symmetry -
*Vi Hart* - Snowflake Math -
*Dan Meyer*

*Statistics and Probability*describe the effect of bias, use of language, ethics, cost, time and timing, privacy, and cultural sensitivity on the collection of data

*TBA*

*TBA*

- Feltron Project -
*Dan Meyer*