About This Lesson
This mini-assessment is designed to illustrate the important content standard 2.OA.B.2 which sets an expectation for fluently adding and subtracting within 20 and – by the end of the grade – knowing single-digit sums from memory.
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This mini-assessment is designed to illustrate the important content standard 2.OA.B.2 which sets an expectation for fluently adding and subtracting within 20 and – by the end of the grade – knowing single-digit sums from memory.