First Grade Arithmetic

Lesson Forty-three: Subtracting One


Take Away One

Start with 12. Take away 1. Answer: 11
Start with 11. Take away 1. Answer: 10

NOTE: Draw some pictures like the ones shown above for the student and have the student count the objects (dots in these examples) and figure out the answer to the addition problem represented by the pictures. Once the student is pretty good at adding one, go on to the applet.
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