Grade 1
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Measurement & Data
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Number & Operations: Base Ten
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Operations & Algebraic Thinking
KAS Math Standard: KY.1.OA.6.b
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making 10; decomposing a number leading to a 10; using the relationship between addition and subtraction; creating equivalent but easier or known sums.