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II - Numbers
Standard 2.N.1.2 - Practice subtracting objects from 1 to 10.
Addition and Subtraction â€¢ Adds and subtracts two digit numbers by drawing representations of tens and ones without and with regrouping. â€¢ Adds zero to a number and subtracts zero from a number. â€¢ Observes the commutative property of addition through patterns. â€¢ Solves addition, subtraction problems presented through pictures and verbal description. â€¢ Describes orally the situations that correspond to the given addition and subtraction facts. â€¢ Estimates the result of addition and subtraction and compares the result with another given number.