IXL Math - South Carolina first-grade math standards

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South Carolina

Skills available for South Carolina first-grade math standards

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1-1 Mathematical Processes

1-1.1 Apply substantive mathematical problem-solving strategies.
- Mixed operations: Addition and subtraction - ways to make a number (First grade - F.1)
- Sorting, ordering, and classifying: Put numbers in order (First grade - Q.2)
1-1.2 Generate conjectures and exchange mathematical ideas.
- Probability and statistics: More, less, and equally likely (First grade - P.1)
- Probability and statistics: Certain, probable, unlikely, and impossible (First grade - P.2)
1-1.3 Explain and justify answers to simple problems.
- Mixed operations: Which sign makes the number sentence true? (First grade - F.2)
- Mixed operations: Fact families (First grade - F.3)
1-1.4 Analyze patterns by reasoning systematically.
1-1.5 Generalize mathematical concepts.
- Addition: Adding three numbers (First grade - B.12)
1-1.6 Use a variety of forms of mathematical communication.
- Mixed operations: Addition and subtraction terms (First grade - F.5)
1-1.7 Generalize connections among mathematics, the environment, and other subjects.
- Geometry: Geometry of everyday objects (First grade - J.3)
- Money: Purchases: do you have enough money? (First grade - N.9)
1-1.8 Use multiple informal representations to convey mathematical ideas.

1-2 Number and Operations

1-2.1 Translate between numeral and quantity through 100.
1-2.2 Use estimation to determine the approximate number of objects in a set of 20 to 100 objects.
- Estimating: Estimate to the nearest ten (First grade - H.1)
1-2.3 Represent quantities in word form through ten.
- Counting and number patterns: Writing numbers in words (First grade - A.16)
1-2.4 Recognize whole-number words that correspond to numerals through twenty.
1-2.5 Compare whole-number quantities through 100 by using the terms is greater than, is less than, and is equal to.
1-2.6 Recall basic addition facts through 9 + 9 and corresponding subtraction facts.
1-2.7 Summarize the inverse relationship between addition and subtraction.
- Mixed operations: Fact families (First grade - F.3)
1-2.8 Generate strategies to add and subtract without regrouping through two-digit numbers.
1-2.9 Analyze the magnitude of digits through 999 on the basis of their place values.
- Counting and number patterns: Counting tens and ones - up to 30 (First grade - A.3)

1-3 Algebra

1-3.1 Analyze numeric patterns in addition and subtraction to develop strategies for acquiring basic facts.
1-3.2 Translate patterns into rules for simple addition and subtraction.
1-3.3 Illustrate the commutative property based on basic facts.
- Addition: Related addition facts (First grade - B.14)
1-3.4 Analyze numeric relationships to complete and extend simple patterns.
1-3.5 Classify a number as odd or even.
1-3.6 Classify change over time as quantitative or qualitative.

1-4 Geometry

1-4.1 Identify the three-dimensional geometric shapes prism, pyramid, and cone.
- Geometry: Identify 3-dimensional figures (First grade - J.2)
- Geometry: Geometry of everyday objects (First grade - J.3)
1-4.2 Analyze the two-dimensional shapes circle, square, triangle, and rectangle.
- Geometry: Identify 2-dimensional shapes (First grade - J.1)
1-4.3 Classify two-dimensional shapes as polygons or nonpolygons.
- Geometry: Is it a polygon? (Third grade - P.11)
1-4.4 Identify a line of symmetry.
1-4.5 Use the positional and directional terms north, south, east, and west to describe location and movement.

1-5 Measurement

1-5.1 Use a counting procedure to determine the value of a collection of pennies, nickels, dimes, and quarters totaling less than a dollar.
1-5.2 Represent a nickel, a dime, a quarter, a half-dollar, and a dollar in combinations of coins.
- Money: Equivalent coins I (First grade - N.4)
- Money: Equivalent coins II (First grade - N.5)
1-5.3 Represent money by using the cent and dollar notations.
- Money: Money names and values (First grade - N.1)
1-5.4 Use whole-inch units to measure the length of an object.
- Measurement: Units of length: word problems (First grade - M.3)
1-5.5 Generate common referents for whole inches.
1-5.6 Use common referents to make estimates in whole inches.
- Measurement: Which unit of length is appropriate? (First grade - M.2)
1-5.7 Use nonstandard units to measure the weight of objects.
- Measurement: Which unit of weight is appropriate? (First grade - M.4)
- Measurement: Compare and convert cups, pints, and quarts (First grade - M.5)
1-5.8 Use analog and digital clocks to tell and record time to the half hour.
1-5.9 Illustrate past and future dates on a calendar.
1-5.10 Represent dates in standard form (June 1, 2007, for example) and numeric form (6-1-2007, for example).
1-5.11 Use Celsius and Fahrenheit thermometers to measure temperature.
- Measurement: Read a thermometer (First grade - M.1)

1-6 Data Analysis and Probability

1-6.1 Use survey questions to collect data.
1-6.2 Organize data in picture graphs, object graphs, bar graphs, and tables.
- Data and graphs: Record data with tally charts, picture graphs, tables (First grade - L.1)
- Sorting, ordering, and classifying: Venn diagrams (First grade - Q.1)
1-6.3 Interpret data in picture graphs, object graphs, bar graphs, and tables by using the comparative terms more, less, greater, fewer, greater than, and less than.
1-6.4 Predict on the basis of data whether events are likely or unlikely to occur.
- Probability and statistics: More, less, and equally likely (First grade - P.1)
- Probability and statistics: Certain, probable, unlikely, and impossible (First grade - P.2)