ORMC Meetings • 2024-2025 Academic Year

Students will study the famous ciphers of the past: the Polybius cipher, Caesar cipher, pigpen cipher, etc.

Students will continue their study of ciphers: anagrams, pigpen ciphers, and rail fence ciphers.

Students will be introduced to the concept of polygons, 2D and 3D objects, and projections.

Students will continue their study of polygons, 2D and 3D objects, and projections with more complex examples.

Students will be introduced to the "knights and knaves" puzzles as a fun introduction to logic.

Students will continue their study of logic with the truth function. If time permits, we will study the 'and' and 'or' operations.

Students will study a slightly more rigorous form of logic in the form of logic gates: and, not, and or gates.

Students will work through an AMC 8 problem set with instructors.

Students will compete against the Beginners 2A class to solve as many problems as they can.

Students will review chapter 10 from the coursebook.

We will finish Chapter 11 and begin Chapter 12.

We will review the material on composite and simple statements and then cover Chapter 12

We will finish our discussion of logic and circuits, and then begin our next major topic -- Flatland and 1D/2D/3D geometry.

After a short quiz on our work on liars and knights and logic circuits, we will begin our study of geometry and dimension.

We will study Chapter 16 (Flatland), and start to think about what kinds of 2D cuts can be made through 3D objects.

We will finish up our discussion of Flatland, covering Chapter 17 and a quiz on Flatland and Lineland topics. Students will then work together to make storyboards for animations on Life in Flatland. Finally we will start on Chapter 18 -- Forward and Backward reasoning using functions.

Students will work on forwards and backwards functions, with groups being pulled out to work on creating and filming their Flatland stories.

Students will play a board game involving shapes, partitions, and divisibility.

Hello all,

I hope that everyone is safe and doing OK during these difficult and tragic times.

As you have heard from Dr. Gleizer, math circle will be remote on Sunday. It is hoped that we will be able to return to in person classes a week from Sunday.

The Zoom link for our class is:

https://ucla.zoom.us/j/93292199283?pwd=VyR0LOL6wN034yhfXyEhyvCvuJodJf.1

I will run through Zoom etiquette at the beginning of class. I have taught two separate Zoom math circles, so I have some strategies for keeping our class interesting. I understand that some children (my own included) have had enough Zoom teaching for one life time, and I will understand if inclination or circumstances prevent families from participating in our Zoom class.

For class, children will need:

A blank cube

A piece of paper large enough to contain a net of the cube

Scissors

Their workbook

To show me and the TAs their working:

Either a markerboard and wipeable markers (students who bought transparent sheet protectors for the dot party could use them again, with a plain sheet of paper inside)

or:a stack of scratch papers with a Sharpie or other marker to write on with.

Stay safe,

Marcus.

We will do a short review of paths on a cube and Egyptian multiplication. Then we will discuss binary arithmetic. In BNP1 we learned how to add and subtract binary numbers. Now we will learn to multiply them.

We will learn how to multiply binary numbers (lesson 23). We will have a short quiz based on nets and 3D shapes

We review nets and reverse functions, and then consider the division algorithm (lesson 24).

We will do Quiz 6 over (it will be a different quiz, but covering the same topics), then discuss Euclid's algorithm. In the last half of the class we will start to get ready for the Math Kangaroo.

After reviewing the challenge problems, students will do another MK practice test. Then we will skip over Chapter 25, and start on Chapter 26 (clock arithmetic). No special materials are needed. Next class will be our last opportunity to record Flatland stories. (I will be editing them into a single video to watch after class on 2/23). Encourage your child to bring their story board if they are one of the small number of students who has not yet recorded their Flatland story.

We will discuss modulo arithmetic (lesson 25). We will end the class with the World Premiere of our Flatland Stories movie, created in class by the students. Parents are welcome to the screening which will be at 2.55pm.

We will do a quiz on Egyptian multiplication and binary multiplication, and then study angles and time (Chapter 27).

We will finish Lesson 27 and start Lesson 28, continuing to think about the connections between measurements of angles, time and circular number lines.

We will learn how to find out where you are on Earth using an accurate clock.

We will revisit latitude and longitude. How can a person know where they are on the Earth?