IXL Math - South Carolina second-grade math standards

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South Carolina

Skills available for South Carolina second-grade math standards

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2-1 Mathematical Processes

2-1.1 Apply substantive mathematical problem-solving strategies.
2-1.2 Generate conjectures and exchange mathematical ideas.
- Probability and statistics: More, less, and equally likely (Second grade - V.1)
- Probability and statistics: Certain, probable, unlikely, and impossible (Second grade - V.2)
2-1.3 Explain and justify answers to simple problems.
- Properties: Solve inequalities using addition and subtraction shortcuts (Second grade - K.5)
- Logical reasoning: Guess the number (Second grade - O.1)
2-1.4 Analyze patterns by reasoning systematically.
2-1.5 Generalize mathematical concepts.
- Addition - two digits: Add three or more numbers (Second grade - G.11)
2-1.6 Use a variety of forms of mathematical communication.
2-1.7 Generalize connections among mathematics, the environment, and other subjects.
2-1.8 Use multiple informal representations to convey mathematical ideas.

2-2 Number and Operations

2-3 Algebra

2-3.1 Analyze numeric patterns in skip counting that uses the numerals 1 through 10.
2-3.2 Translate patterns into rules for simple multiples.
- Patterns: Describe patterns (Second grade - D.3)
2-3.3 Analyze relationships to complete and extend growing and repeating patterns involving numbers, symbols, and objects.
2-3.4 Identify quantitative and qualitative change over time.
2-3.5 Analyze quantitative and qualitative change over time.
- Data and graphs: Interpret line graphs (Second grade - R.6)

2-4 Geometry

2-4.1 Analyze the three-dimensional shapes spheres, cubes, cylinders, prisms, pyramids, and cones according to the number and shape of the faces, edges, corners, and bases of each.
2-4.2 Identify multiple lines of symmetry.
- Geometry: Symmetry (Second grade - T.4)
- Geometry: Symmetry (Third grade - P.3)
2-4.3 Predict the results of combining and subdividing polygons and circles.

2-5 Measurement

2-5.1 Use a counting procedure to determine the value of a collection of coins and bills.
2-5.2 Use coins to make change up to one dollar.
2-5.3 Use appropriate tools to measure objects to the nearest whole unit: measuring length in centimeters, feet, and yards; measuring liquid volume in cups, quarts, and gallons; measuring weight in ounces and pounds; and measuring temperature on Celsius and Fahrenheit thermometers.
2-5.4 Generate common measurement referents for feet, yards, and centimeters.
2-5.5 Use common measurement referents to make estimates in feet, yards, and centimeters.
2-5.6 Predict whether the measurement will be greater or smaller when different units are used to measure the same object.
2-5.7 Use analog and digital clocks to tell and record time to the nearest quarter hour and to the nearest five-minute interval.
2-5.8 Match a.m. and p.m. to familiar situations.
- Time: A.M. and P.M. (Second grade - Q.7)
2-5.9 Recall equivalencies associated with length and time: 12 inches = 1 foot, 3 feet = 1 yard, 60 minutes = 1 hour, and 24 hours = 1 day.
- Time: Choose the appropriate time units (Second grade - Q.11)
- Time: Relate time units (Second grade - Q.15)

2-6 Data Analysis and Probability

2-6.1 Create survey questions to collect data.
2-6.2 Organize data in charts, pictographs, and tables.
2-6.3 Infer trends in a data set as increasing, decreasing, or random.
2-6.4 Predict on the basis of data whether events are more likely or less likely to occur.
- Probability and statistics: More, less, and equally likely (Second grade - V.1)
- Probability and statistics: Certain, probable, unlikely, and impossible (Second grade - V.2)