**These homeworks are copyrighted material, posted here for use by
SchoolNova students and parents. Everyone else is welcome to print a copy of these materials for their personal use;
any redistribution or commercial use is prohibited**

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**09/15**: Algebra. Baseline test. | Geometry. Baseline test. | Homework for Sep. 22 | - Assigned on
**09/22**: Algebra. Elements of mathematical logic. | Geometry. Commensurate segments. | Homework for Sep. 29. | - Assigned on
**09/29**: Classwork: Mathematical logic. Equivalences. | Homework: Homework for Oct. 6. | Classwork: Thales theorem. | - Assigned on
**10/6**: Classwork: Mathematical Induction. Series. | Homework: Homework for Oct. 20 | - Assigned on
**10/20**: Classwork: Geometry. Ceva theorem, similar figures, homothety | Homework: Homework for Oct 27 | - Assigned on
**10/27**: Algebra classwork: Binomial theorem; arithmetic and geometric mean | Geometry classwork: Center of Mass | Homework: assignment for Nov 3 | - Assigned on
**11/3**: Classwork - Geometry: Center of mass cont.; Menelaus and Pappus theorems | Classwork - algebra: Euclid's algorithm review; continued fractions | Homework: Homework for Nov 10 | - Assigned on
**11/10**: Classwork: Algebra | Classwork: Geometry | Homework: Algebra and Geometry |

Today we discussed Algebra: the basics of set theory, notations, countability of sets Geometry: the inscribed angle theorem

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**11/17**: Algebra classwork: Set operations | Geometry classwork: Euler line, 9 point circle | Homework: problems for Nov 24 | - Assigned on
**11/24**: Classwork: math battle |

There is no new homework, but you have to complete problems from previous assignments.

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**12/8**: Classwork. Algebra. : Equivalence relations and modular arithmetic. | Homework for Dec. 13.: Algebra only. | - Assigned on
**12/15**: Classwork: Algebra. Sets: Injection, Surjection, Bijection. | Classwork: Geometry. The method of coordinates. | Homework.: Assignment for January 5, 2020. | - Assigned on
**01/5**: Classwork: Algebra. Cardinality. | Homework: Homework for January 12. |

There is no new homework. Please complete the problems from the previous assignment, which are repeated in the posted homework.

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**01/12**: Classwork: Geometry. Ellipse, hyperbola, parabola. | Homework: Assignment for January 17. | - Assigned on
**01/19**: Homework: Homework for January 26. |

No new classwork handout; material covered is in the handouts posted before.

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**01/26**: Classwork: Geometry. Inversion. | Homework: Homework for February 2. | - Assigned on
**02/2**: Classwork: Geometry. Inversion. |

No new homework: continue working on the previous assignment on inversion geometry. Both homework and classwork handouts are repeated from the previous class. Please write down solutions to all exercises considered in class.

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**02/9**: Homework: Homework for Feb 23 |

No new classwork handout. Continue working on the Inversion Geometry handout.

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**02/23**: Classwork: Geometry. Curves of the second degree (continued). | Homework: Homework for March 1. | - Assigned on
**03/1**: Classwork: Algebra. Irrational numbers. Dedekind cuts. | Classwork: Geometry. Laws of sines and cosines. Trigonometry. | Homework: Assignment for March 8 |

New homework and classwork posted. The old ones (Feb. 23) were posted as those of March 1 in error.

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**03/8**: Classwork: Algebra. Irrational numbers: exponents. | Classwork: Trigonometry. Trigonometric formulas. | Homework: Assignment for MArch 15. |

This is the assignment for March 15. It is likely that next week's class will be cancelled and we will be working on setting up online classes so as to reduce the probability of the virus spread. Please work on the homework anyway - having two weeks would let you solve more! I will be sending the Google classroom invitations to all of you shortly.

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**03/22**: Classwork: Geometry/trigonometry | Classwork: Algebra. Polynomials. | Homework: Assignment for March 29. | - Assigned on
**03/29**: Classwork: Algebra. Polynomials. Vieta theorem. | Classwork.: Geometry. Vectors. Trigonometry homework review. | Homework: Assignment for April 5. | - Assigned on
**04/5**: Classwork: Algebra. Functions, graphs, exponential, log. | Classwork: Geometry. Vectors. | Homework: Assignment for April 12. | - Assigned on
**04/19**: Classwork: Geometry. Vector problems and center of mass. | Classwork: Algebra. Complex numbers. | Homework: Assignment for April 26. | - Assigned on
**04/26**: Classwork: Geometry. Vector problems. | Classwork: Complex numbers. Complex plane. De Moivre. | Homework: Assignment for May 3 | - Assigned on
**05/3**: Classwork: Algebra. Complex numbers. Cardano formula. | Classwork: Geometry. Vector problems. | Homework: Assignment for May 10. | - Assigned on
**05/10**: Classwork: Inclusion-exclusion principle. Derangements. | Homework: Assignment for May 17 | - Assigned on
**05/17**: Classwork: Math 9 Final Math Battle |

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