Ch.20 Absolute Value & Ch.21 Angels

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Dear students,

Today we learned Ch.20 Absolute Value & Ch.21 Angels, did some DeltaMath practice and played Kahoot Game in class. Please check the class notes for your review.

Solving Absolute Value Equations (solutions, examples, videos, worksheets,  activities)

Homework:

-Ch.20 (Pg 177-179) & Ch.21 (Pg 183-186)

DeltaMath Ch.20 Absolute Value

DeltaMath Ch.21 Angles

Next week, we are going to have the Midterm Exam (another SAT Practice Test). Please get ready.

Best,

Ms. Li

Ch. 19 Complex Numbers

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Dear Students,

Nice seeing you all today on this beautiful day! We reviewed homework Problems #4, 5, 8, 10, and 13 in Ch.18 Synthetic Division, and students explained Examples #1-3 of Ch. 19 Complex Numbers in class. All 11 students also worked on complex number division problems on the whiteboard and checked for each other. Well done! Please check the class note here for your review.

Operations with Complex Numbers Poster | Zazzle | Complex numbers, Math  formulas, Math poster

Homework:

-Pg 172-173, Ex 1-15. Check the answer key on Pg 319 and share your questions with Ms. Li next week.

DeltaMath Ch.19 Complex Numbers

See you next week!

Ch. 18 Synthetic Divisions

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Dear students,


We explained Problems #16, 17, and 18 in Ch.17, and students did a great job working on the examples in Ch.18 Synthetic Division. We also played a Kahoot game. Please check the class note here.

Polynomial Synthetic Division - MathBitsNotebook(A2 - CCSS Math)


Homework:

-Pg 168-169 Ex 1-14. Please check the answer key on Pg 317-318 and let Ms. Li know which problems to review next week.

DeltaMath: Ch.18 Synthetic Divisions


See you next week!

Ch. 17: Quadratics

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Today we went over Problems #8, 13, 23, 26, 27, and 32 of Ch.16 Functions homework, and students worked on Examples #1-4 of Ch.17 Quadratics on the whiteboard. Ms. Li also explained Problems #8, 18, 19, 25, 26, 30, 37, and 38 from the final exam. Please check class notes here.

Quadratics is a very important topic in SAT math. Please have a clear picture of the three forms (standard, vertex, factored form), quadratic formula, roots, vertex, Discriminants & # of roots.

Homework:
-Ch.17 HW Pg 158-160, please show your work neatly with essential steps. Check the answer key on pg 314-316, and fill in the questions on this Google Form.

DeltaMath: Ch.17 Quadratics (Some of you are going to take the SAT math next Month. Please make good use of the DeltaMath resources and get well-prepared)

There are no classes in the following two weeks. Enjoy the winter break, and see you all in March!

Ch. 16 Functions

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Today we discussed Problems #7,8, 11, and 14 from Ch.15 homework, and students explained Examples 1-10 from Ch. 16 Functions on the board. See class notes here:)

Homework:

  1. Pg 140-145: Ex 1-32 (Please check the answer keys on Pg 311-313 and share the # of problems you want Ms. Li to go over next week in this Google Form).
  2. DeltaMath: Ch.16 Functions

If you have not joined our WeChat Class Group, please scan the QR code below:)

As always, please do not hesitate to let me know if you have any questions:)


Warm regards,

Ms. Li

Final Exam Go-over & Ch.15 Interpreting Linear Models

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Dear Students,

Welcome back to Spring 2023 term! And welcome our new student, Yitong!

We have created a WeChat Group for this class. Feel free to scan the QR code below and join the WeChat Group. Please let Ms. Li know if you cannot attend the class that week, and we can plan accordingly:) Also, do not hesitate to reach out to me (either via email or WeChat) if you have any questions.

Today we went over the final exam Problems #6, 10-18, 20 in Section 3, and #3, 8, 13, 16, 21, 23, 24, 31, 33, and 36 in Section 4, as well as Ex. 17 of Ch.14 HW.

Alena, Sebastien, Peter, Ashlyn, and Jojo explained Examples 1-3 of Ch.15 Interpreting Linear Models on the whiteboard. Good job! See class notes here.

Homework:

  1. Pg 128-131: Ex 1-16 (Check answer keys on Pg 309-310 and share the # of problems you want Ms. Li to go over next week in this Google Form).

2. DeltaMath: Ch.15 Interpreting Linear Models

Look forward to seeing you all next week on Feb. 5th:)

Warm regards,

Ms. Li

SAT Math Fall 2022 Final Exam

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Dear Students,

Today we took the final exam for the Fall 2022 semester. I am glad to see that many of you have made great progress this year! Please check the answer keys here and fill in the survey below to let me know which questions you want Ms. Li to go over next week.

Homework: SAT Math Prep Course Mid-year Survey

Stay warm and see you next week!

Best,

Ms. Li

Ch.14 Lines

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Dear students,

It was nice seeing all of you today in class! We went over Ch.12 + CH.13 HW problems on the whiteboard, and students did Examples 1-7 of Ch. 14 Lines. Please check class notes here.

Vertical Lines. Horizontal Lines. The line x = a is a vertical line at a. The line y = b is a vertical line at b. The slope of a vertical line is undefined. The slope of a horizontal line is zero.

Homework:

  1. Finish Chapter 14 Ex #1-15, pg 123-125. Check answers on Pg 307-308, and share your questions here on the Google Form.
  2. DeltaMath Ch.14 Lines

Next Sunday, Jan.22nd is the last day of the Fall 2022 semester. Please bring your laptop + calculator to School and we will take the final exam (on Google Forms). If you are not here next Sunday, please let me know ahead of time.

Please do not forget to register for the Spring 2023 semester. The registration fee is $20 per family account, but it will be waived if all account balance is paid on or before January 16, 2023.

Look forward to seeing you all next week!

Best,

Ms. Li

Ch.12&13: Word Problems

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Dear students,

It’s great to see you after the long break, and we were so glad to have 3 guest teachers visiting our class today. We went over Problems #13, 14, and 16 of Ch.11 HW on the whiteboard, and all students, as well as our teachers explained Ch.12 Examples # 1-10, and Ch. 13 Examples #1-6. Please check the class notes here.

Strategies for solving the word problems:

  1. Find out the keywords (underline)
  2. Pay attention to the numbers (and their relationships)
  3. Pay attention to the units
  4. Think about when to use the floor function (rounding down) / ceiling function (rounding up)
  5. Be clear about which formula to use

Homework:

Ch.12: Pg 105-108, Ex 1-23;

Ch.13: Pg 113-116, Ex 1-17;

Please check the answer keys on Pg 301-306, and share your questions on the Google Form here.

No DeltaMath this week.

See you next Sunday, when we are going to discuss the lines.

Warm regards,

Ms. Li

Ch.11 Inequalities

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Dear students,

On the board, we went over #16, 17, 18, 20, and 24 of Ch.10 HW, and students explained Examples 1-5 in Ch.11 Inequalities. Please check the class note here.

Homework:

  1. Pg 96-99, Ex 1-16. Answer Key: Pg 299-300. Share your questions here.
  2. DeltaMath: Ch.11 Inequalities

We have no class in the following two weeks. Wish you Merry Christmas and Happy New Year@

See you all on Jan.8. 2023!