Three-Digit Plus Three-Digit Addition
In this addition worksheet, students find the sums in 100 three digit plus three digit problems. They use regrouping as needed to solve the problems.
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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