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from https://helpingwithmath.com/koa3-number-bonds01/ The various resources listed below are aligned to the same standard, (KOA03) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above. Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).