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.
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:
Finish Chapter 14 Ex #1-15, pg 123-125. Check answers on Pg 307-308, and share your questions here on the Google Form.
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.
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:
Find out the keywords (underline)
Pay attention to the numbers (and their relationships)
Pay attention to the units
Think about when to use the floor function (rounding down) / ceiling function (rounding up)
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.
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:
Pg 96-99, Ex 1-16. Answer Key: Pg 299-300. Share your questions here.
Today we went over Ex 9, 10, 12, 15, 17, and 18 of Ch.9 homework on the board, and went through Examples # 1 to 9 of Ch.10 System of Equations. Please check class notes here.
Please keep the three types of solutions of a system of 2 linear equations in mind:
one solution: different slops, two lines intercepting at one point (the point represents the solution to the system of equations)
no solution: same slope, different y-intercepts, two lines are parallel
infinite solutions: same slope, same y-intercept, two lines merge into one line
Homework:
Pg 86-90, Ex 1- 25. (Make sure to show your work and write your steps for each problem). Check the answer key on Pg 293-295, and fill in the Google Form here to let me know what questions you want Ms. Li to go over in the next class.
Some of you may know that the SAT test is going digital in 2023 (international students)/2024 (US students). Please take a moment to read the 2 articles below and learn more about the changes.
DeltaMath provides a free online practice platform for you where you can get instant feedback and step-by-step guild to each problem, as well as “help videos” (Plus Version). Please make good use of this resource and horn your math skills, which will surely benefit your SAT test and beyond.
Comments Off on Ch 9: More Equation-Solving Strategies
Dear Students,
In today’s class, we went over #12, 16, 29, and 32 in Ch.8 HW, and explained Examples #1 to 6 on the board. Please see the class notes here. Students had fun in the Kahoot game (individual and team rounds).
HW:
pg 75-77, Ex 1-18 (Make sure to show your work and write your steps for each problem). Check the answer key on Pg 293-295, and fill in the Google Form here to let me know what questions you want Ms. Li to go over in the next class.
2. DeltaMath Ch 8, 9: Solving Equations (some students finished it in class today, and other students please finish the rest when you get home).
Last but not least, Happy Birthday to Julia (12/5)!
Comments Off on SAT Math Ch.8 Manipulating & Solving Equations
Dear students,
In today’s lesson, we reviewed #7, 8, 11, 12, and 14 in Ch.7 HW, went through Examples #1 -13 in Ch.8 Manipulating & Solving Equations on the whiteboard, and did class work on Pg 65. Please check class notes here and let me know if you have any questions.
Homework: Pg 66-70 (Make sure to show your work and write your steps for each problem). Check the answer key on Pg 287-288, and fill in the Google Form here to let me know which problems you want Ms. Li to discuss in the next class.
We have no class next Sunday. Happy Thanksgivings! See you on Dec.4th!
Comments Off on SAT Math Midterm Review & Ch.7 Constructing Models
Dear Students and Parents,
Today we went over the problems in the midterm exam and started Ch.7 Constructing Models. Thanks to Mary, Sebastien, Ashlyn, Alena, and Jojo for submitting the Google Form. See class notes here.
Homework:
Check the notes and make sure you understand all your mistakes in the midterm exam.
Textbook Pg 53-56, Ex 1-15. Finish the problems and check with the answers on Pg 285-286. Submit the problems on this Google Form.
Thank you for taking the time to finish the midterm exam. I am glad to see that many of you have made steady progress compared with the pre-test.
1. Please check the answer key here, and find the problems that you want to have further explanations for.
2. Fill in the Survey here, and list the problem #s (We will go over them in class next Sunday). Your feedback on the teaching pace/workload/ positive & deltas in this class is highly valued and appreciated.
Today we went over Problems #10, 11, and 12 of Ch.5 HW and examples #1-7 of Ch.6 Expressions on the whiteboard. We also did some extra practice on paper. Please see the class notes here.
There are three essential formulas that are widely used in factoring and problem-solving. Please keep them in mind.
Homework:
Ch.6 exercise problems #1-15 on Pg 49-51 (check your answers with the keys on Pg 284, and use the Google Form https://forms.gle/xpq5rVfgGhdiXbDW7 to share the questions/problems with me. We will go over those problems in the next class:)