Lesson 2.1: https://learnzillion.com/lesson_plans/3523
https://learnzillion.com/lesson_plans/5400
https://learnzillion.com/lesson_plans/4143
https://learnzillion.com/lesson_plans/4143?card=180175
Lesson 3.1: https://learnzillion.com/lesson_plans/4325-1-the-carrot-patch-use-equal-groups-to-understand-multiplication-c
https://learnzillion.com/lesson_plans/3468?card=
https://learnzillion.com/lesson_plans/5400
https://learnzillion.com/lesson_plans/4143
https://learnzillion.com/lesson_plans/4143?card=180175
Lesson 3.1: https://learnzillion.com/lesson_plans/4325-1-the-carrot-patch-use-equal-groups-to-understand-multiplication-c
https://learnzillion.com/lesson_plans/3468?card=