Comparing Two-Digit Numbers
Compare two-digit numbers using a number line
Understand that numbers to the right are greater
Develop a positive attitude toward mathematical exploration
“Do you see a man skilled in his work? He will stand before kings. He won't stand before obscure men.”
— Proverbs 22:29 (WEB)Just as this verse celebrates skill and progression, our number line shows how numbers progress and grow
Recap yesterday's lesson about comparing numbers using tens place
Introduce number line as a tool for comparing numbers
Create a large floor number line and play a comparison game
Simpler: Use smaller range of numbers (0-20)
Challenge: Use three-digit numbers, add addition/subtraction hops
Review number line comparison concepts
Coming up: Tomorrow we'll learn about equal numbers and balancing
Number lines help children visualize number relationships
Confusing left and right, understanding number progression
Confident movement on number line, correct comparisons