Finding a Difference
Students find a small difference by counting up from the smaller to the larger number. They count the ones that don't match, lay them horizontally to match them to the orientation of the number line and show the two numbers on number lines
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Grade 1 Supplement Set A3 - Number & Operations: Addition & Subtraction on the Number Line
Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.
K - 2nd Math CCSS: Adaptable