2nd Grade Videos - Represent and solve problems involving addition and subtraction.

Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Screenshot Name / Description Flag? Rating
Khan - Carrying When Adding 3-digit Numbers
Part three in the addition series from Sal Khan (8:57)
Khan - Addition part 4
The fourth part in Sal's series on adding within 100 (8:49)

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