Learning Domain: Operations and Algebraic Thinking

Standard: Represent and solve addition and subtraction word problems, within 100, with unknowns in all positions, by using representations and equations with a symbol for the unknown number to represent the problem, when solving: One-Step problems: Add to/Take from-Start Unknown, Compare-Bigger Unknown, Compare-Smaller Unknown; Two-Step problems involving single digits: Add to/Take from- Change Unknown, Add to/Take From- Result Unknown.

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