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Hacker thinks his plan has succeeded, but the CyberSquad won’t give up that easily.
Lesson 201
Math
1st Grade
Look closely to see if you can find D.C.'s error in his addition.
2nd Grade
See if you can figure out where D.C.'s mistake is.
3rd Grade
Join Mrs. Ignagni for a Mystery Math Mistake with D.C. Can you use your magnifying glass and find his mistake?
