Introduction to Subtraction
Understand subtraction as 'taking away' from a group
Practice counting objects before and after removing some
Develop patience and careful observation skills
“Every branch in me that doesn't bear fruit, he takes away. Every branch that bears fruit, he prunes, so that it may bear more fruit.”
— John 15:2 (WEB)Just as the gardener removes unproductive branches, we remove objects in subtraction to understand what remains
Recall yesterday's addition lesson and introduce subtraction as 'taking away'
Explain subtraction using simple story and visual demonstration
Act out subtraction stories with toy animals or counting objects
Simpler: Use fewer objects and remove 1-2
Challenge: Use more objects and remove 3-4
Review subtraction concept and celebrate learning
Coming up: Tomorrow we'll play a fun 'Disappearing Act' game with subtraction!
Kindergarteners learn best through concrete, visual experiences
Keeping track of numbers while removing objects
Child's ability to count before and after removing objects