Addition within 201.OA.C.6Add within 20, from sums to 10 up to three addends.Subtraction within 201.OA.C.6Subtract within 20, from facts to 10 up to taking away across ten.Number bonds1.OA.C.6Find the missing part or the missing whole in part-part-whole number bonds within 10, within 20 and with tens.
1.OA.C.6 worksheets
These 3 worksheets teach Common Core standard 1.OA.C.6, part of Operations & Algebraic Thinking (1.OA) in Grade 1. Each has three levels and an answer key.
Make one worksheet covering 1.OA.C.6