Add and Subtract (3 Numbers)1st Grade |
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Texas Essential Knowledge and Skills (TEKS): 1.5.G |
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apply properties of operations to add and subtract two or three numbers. |
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Florida - Benchmarks for Excellent Student Thinking: MA.1.AR.2.3 |
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Determine the unknown whole number in an addition or subtraction equation, relating three whole numbers, with the unknown in any position. |
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