Welcome to the Wonderful World of Mathematics
How to Start Your Year Off Right - Remote Learning Edition by Kyle Pearce and Jon Orr
Teacher Toolbox for Apps and Programs: How-to videos linked for most any resource
K-5 Google Slide Templates: Games, ten frames, place value, addition, subtraction, multiplication, etc.
Google Slide Templates Theresa Wills: Manipulatives, routines, games, etc.