South Carolina Standards & Learning
SC.2.NSBT. Number Sense and Base Ten
2.NSBT.5. Add and subtract fluently through 99 using knowledge of place value and properties of operations.
2.NSBT.6. Add up to four two-digit numbers using strategies based on knowledge of place value and properties of operations.
2.NSBT.7. Add and subtract through 999 using concrete models, drawings, and symbols which convey strategies connected to place value understanding.
SC.2.ATO. Algebraic Thinking and Operations
2.ATO.1. Solve one- and two-step real-world/story problems using addition (as a joining action and as a part-part-whole action) and subtraction (as a separation action, finding parts of the whole, and as a comparison) through 99 with unknowns in all positions.
2.ATO.2. Demonstrate fluency with addition and related subtraction facts through 20.
SC.2.MDA. Measurement and Data Analysis
2.MDA.6. Use analog and digital clocks to tell and record time to the nearest five-minute interval using a.m. and p.m.