Adding Within 100: Extended Strategies
Use a hundred chart to add two-digit numbers
Understand how moving down represents adding tens
Develop spatial reasoning for mathematical thinking
“For wisdom will enter into your heart. Knowledge will be pleasant to your soul.”
— Proverbs 2:10 (WEB)Just as we learn to navigate a hundred chart with strategy, wisdom helps us navigate life's challenges with understanding
In today's BibleMouse math adventure, we'll explore how to 'jump' on our hundred chart to solve addition problems!
Today we'll learn to use our hundred chart like a map for adding numbers. Each move down is like taking a big step of 10, and each move to the right is a small step of 1.
Students will practice adding by physically moving on a large hundred chart
Simpler: Use smaller numbers (20+15)
Challenge: Try three-digit addition paths
Let's review our number jumping skills!
Coming up: Tomorrow we'll learn about using base-ten blocks to add numbers
The hundred chart helps children visualize addition as movement
Children might get confused tracking moves on the chart
Confident movement and excitement about discovering number patterns