Mental Math D


    NEW Course! “Mental math tricks boost kids’ confidence, improve their memory, math logic, computation speed, problem solving, and so much more” ~Prof. Lidiya

    Enrollment Options


    InstructorProf. Lidiya Gettya
    Content LevelsGrades 6-7 • Middle School
    Course Length8 weeks
    Live Webinars Held OnTuesdays, 10:00 - 10:50 AM Pacific - Middle Semester - 10/18/22 - 12/17/22

    This is the fourth course in a series of Mental Math classes.

    This course is for middle school age students who completed Mental Math A, Mental Math B and Mental Math C courses (Pre-test can be given to identify the student’s most appropriate placement).

    In Mental Math D students will learn:

    • Squares of numbers ending on 5 & numbers between 10 and 20.
    • Techniques to square numbers close to 100
    • How to quickly find cubes of two digit numbers
    • Duplex terminology
    • How to easily square two and three digit numbers
    • How to cube numbers close to 100. 

    Note to parents:

    • Students need to know their multiplication tables up to x12 & have full understanding of fractions, decimals, percentages and exponents in order to enroll in this class.

    What to expect in the Required section in the classroom each week:

    • Complete weekly practice assignments  using class required app 
    • Complete worksheets in order to practice new learned skills during the webinar
    • Online practice games may be offered for additional practice during some weeks

    What to expect in the Highly Suggested & Optional sections in the classroom each week:

    • Videos and video tutorials about different mental math strategies
    • Additional optional practice sheets
    • Curated resources, including websites & videos, are provided to excite learners and to add depth to the subject matter, or just for fun.

    What to expect during the weekly webinar:

    • Weekly webinars are 50 minutes long. Recorded sessions are available for students with schedule conflicts.
    • Primary instruction and guided discussions are provided during live webinars.
    • Active Participation (via the microphone and chat) is expected.

    Before taking this course, students should:

    • Know multiplication table up to 12
    • Have full understanding of fractions, decimals, percentages and exponents
    • Have completed Mental Math A, B, and C courses

    Students should be willing to:

    • Actively participate (via the microphone and chat) in the class discussion.
    • Encourage class discussion by adding their questions/ideas in the chat window during the webinar.

    Required books & materials: