Subtraction Within 10
Subtract numbers within 10 using physical objects
Understand subtraction as 'taking away' from a group
Develop a positive attitude toward math problem-solving
“Happy is the man who finds wisdom, the man who gets understanding. For her good profit is better than silver, and her revenue better than fine gold.”
— Proverbs 3:13-14 (WEB)Just as we learn to subtract and solve math problems, wisdom comes from careful learning and practice
Gather at your math learning area and review yesterday's ten frame subtraction lesson
Introduce subtraction as a fun game of 'taking away'
Students start with 10 counters and roll a die to subtract
Simpler: Start with fewer counters (5-7)
Challenge: Use two dice and subtract the larger number from the smaller
Review what we learned about subtraction
Coming up: Tomorrow we'll learn about crossing out objects to show subtraction
Kindergarteners are learning concrete subtraction strategies
Counting accurately while removing objects
Child's ability to count starting group and remaining objects