The student accurately completes charts, but makes an error in mental calculation on one or two of (a), (b), (c), or (d.) The student correctly: 7 The student answers The student answers at The student answers at two or fewer questions least three of nine least six of nine Solves correctly. correctly, and correctly, or uses 1.NBT.4 93 demonstrates sound process 90 1.NBT.6 misunderstandings of throughout with 50 place value. calculation errors. 60 84 87 99 100 83 Represents process to accurately solve through drawings, number bonds, or the arrow way. The notation demonstrates use of a sound strategy for adding or subtracting.
The student accurately completes charts, but makes an error in mental calculation on one or two of (a), (b), (c), or (d.) 7 1.NBT.4 1.NBT.6 The student answers two or fewer questions correctly. The student answers at least three of nine correctly, and demonstrates misunderstandings of place value. The student answers at least six of nine correctly, or uses sound process throughout with calculation errors. The student correctly: Solves 93 90 50 60 84 87 99 100 83 Represents process to accurately solve through drawings, number bonds, or the arrow way. The notation demonstrates use of a sound strategy for adding or subtracting.