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My Math Notebook: +/- Within 20 and Numbers To 100

Learners will create an interactive math notebook as they engage in games and activities that promote number sense and help develop understanding of addition and subtraction within 20.
Leslie Gillis
23 total reviews for this teacher
New class
  There are no upcoming classes.
60 minutes
per class
Twice per week
over 4 weeks
year olds
learners per class
per learner - per class

How does a "Multi-Day" course work?

Meets multiple times at scheduled times
Live video chats, recorded and monitored for safety and quality
Discussions via classroom forum and private messages with the teacher
Great for engaging projects and interacting with diverse classmates from other states and countries

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Class Experience

Students will:
- add and subtract within 20 using mental strategies.
- understand place value.
- understand numbers to 100.
I am a credentialed teacher in both CA and OR and have been teaching math for over 20 years!
There will be optional games and activities for students to practice with in between classes.
-set of interlocking cubes such as unifix cubes (Amazon), or create your own using squares of different colored paper or magnets -two row rekenrek (Amazon), or see directions in the classroom on how to make one using pipe cleaners and beads. -set of number cards (PDF print out, or make from regular deck, instructions available in the classroom) - pair of dice or number cubes, 1-6 (PDF available or can make your own from craft cubes) - composition notebook - there may be some PDFs to print throughout this class. If you do not have access to a printer, please let me know so we can figure out an alternative.
2 hours per week in class, and maybe some time outside of class.


Leslie Gillis
Lives in the United States
Online Educator and Your Math Mentor
23 total reviews
30 completed classes

About Me

Hello! I'm Leslie Gillis, a teacher and parent, living in the Pacific Northwest of the USA with my husband, son, and our dog Ziggy. I have been working with children of all ages in a variety of settings going as far back as when I was earning my... 
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