Mathematics Standards of Learning for Virginia Public Schools (2023)
3.CE.1b
74bf4892-26f1-43bd-ac9e-1e3928cf0d10 e77d8dc2-3526-4787-bf52-ec5ad1e58d35 3.CE 3.CE.1 3.CE.1b
Apply strategies (e.g., rounding to the nearest 10 or 100, using compatible numbers, using other number relationships) to estimate a solution for single-step or multistep addition or subtraction problems, including those in context, where addends or minuends do not exceed 1,000.
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