IXL Math - South Carolina third-grade math standards

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South Carolina

Skills available for South Carolina third-grade math standards

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3-1 Mathematical Processes

3-1.1 Analyze information to solve increasingly more sophisticated problems.
3-1.2 Construct arguments that lead to conclusions about general mathematical properties and relationships.
- Properties: Relate addition and multiplication (Third grade - H.7)
- Properties: Relate multiplication and division (Third grade - H.8)
3-1.3 Explain and justify answers on the basis of mathematical properties, structures, and relationships.
3-1.4 Generate descriptions and mathematical statements about relationships between and among classes of objects.
- Graphs: Venn diagrams (Third grade - N.7)
- Geometry: Similar and congruent (Third grade - P.4)
3-1.5 Use correct, complete, and clearly written and oral mathematical language to pose questions, communicate ideas, and extend problem situations.
3-1.6 Generalize connections between new mathematical ideas and related concepts and subjects that have been previously considered.
3-1.7 Use flexibility in mathematical representations.
- Numbers and comparing: Roman numerals I, V, X, L, C, D, M (Third grade - A.3)
3-1.8 Recognize the limitations of various forms of mathematical representations.

3-2 Number and Operations

3-2.1 Compare whole-number quantities through 999,999 by using the terms is less than, is greater than, and is equal to and the symbols <, >, and =.
3-2.2 Represent in word form whole numbers through nine hundred ninety-nine thousand.
- Numbers and comparing: Write numbers in words (Third grade - A.1)
3-2.3 Apply an algorithm to add and subtract whole numbers fluently.
3-2.4 Apply procedures to round any whole number to the nearest 10, 100, or 1,000.
3-2.5 Understand fractions as parts of a whole.
3-2.6 Represent fractions that are greater than or equal to 1.
- Fractions: Mixed numbers: what mixed number is shown? (Third grade - Q.10)
- Fractions: Mixed numbers: write the mixed number in words (Third grade - Q.11)
3-2.7 Recall basic multiplication facts through 12 x 12 and the corresponding division facts.
3-2.8 Compare the inverse relationship between multiplication and division.
- Properties: Relate multiplication and division (Third grade - H.8)
3-2.9 Analyze the effect that adding, subtracting, or multiplying odd and/or even numbers has on the outcome.
- Numbers and comparing: Even and odd II (Third grade - A.5)
3-2.10 Generate strategies to multiply whole numbers by using one single-digit factor and one multidigit factor.
- Multiplication: Multiply a one-digit number by a larger number (Third grade - E.9)
- Multiplication: Multiply a one-digit number by a larger number - word problems (Third grade - E.10)
3-2.11 Use basic number combinations to compute related multiplication problems that involve multiples of 10.
- Multiplication: Multiply numbers ending in zeroes (Third grade - E.8)
3-2.12 Analyze the magnitude of digits through 999,999 on the basis of their place value.

3-3 Algebra

3-3.1 Create numeric patterns that involve whole-number operations.
3-3.2 Apply procedures to find missing numbers in numeric patterns that involve whole-number operations.
3-3.3 Use symbols to represent an unknown quantity in a simple addition, subtraction, or multiplication equation.
- Equations and variables: Write variable equations to represent word problems (Third grade - I.4)
3-3.4 Illustrate situations that show change over time as increasing.

3-4 Geometry

3-4.1 Identify the specific attributes of circles: center, radius, circumference, and diameter.
3-4.2 Classify polygons as either triangles, quadrilaterals, pentagons, hexagons, or octagons according to the number of their sides.
- Geometry: Identify planar and solid shapes (Third grade - P.1)
3-4.3 Classify lines and line segments as either parallel, perpendicular, or intersecting.
3-4.4 Classify angles as either right, acute, or obtuse.
- Geometry: Angles: greater than, less than, or equal to a right angle (Third grade - P.9)
- Geometry: Triangles: acute, right, and obtuse (Third grade - P.13)
3-4.5 Classify triangles by the length of their sides as either scalene, isosceles, or equilateral and by the size of their angles as either acute, obtuse, or right.
- Geometry: Triangles: equilateral, isosceles, and scalene (Third grade - P.12)
- Geometry: Triangles: acute, right, and obtuse (Third grade - P.13)
3-4.6 Exemplify points, lines, line segments, rays, and angles.
- Geometry: Lines, line segments, and rays (Third grade - P.10)
3-4.7 Analyze the results of combining and subdividing circles, triangles, quadrilaterals, pentagons, hexagons, and octagons.
3-4.8 Predict the results of one transformation-either slide, flip, or turn-of a geometric shape.
- Geometry: Reflection, rotation, and translation (Third grade - P.5)

3-5 Measurement

3-5.1 Use the fewest possible number of coins when making change.
- Money: Least number of coins (Second grade - P.11)
- Money: Making change (Third grade - L.4)
3-5.2 Use appropriate tools to measure objects to the nearest unit: measuring length in meters and half inches; measuring liquid volume in fluid ounces, pints, and liters; and measuring mass in grams.
- Measurement: Which customary unit is appropriate? (Third grade - O.3)
- Measurement: Which metric unit is appropriate? (Third grade - O.9)
3-5.3 Recognize the relationship between meters and yards, kilometers and miles, liters and quarts, and kilograms and pounds.
3-5.4 Use common referents to make comparisons and estimates associated with length, liquid volume, and mass and weight: meters compared to yards, kilometers to miles, liters to quarts, and kilograms to pounds.
3-5.5 Generate strategies to determine the perimeters of polygons.
3-5.6 Use analog and digital clocks to tell time to the nearest minute.
- Time: Read clocks and write times (Third grade - M.1)
3-5.7 Recall equivalencies associated with time and length: 60 seconds = 1 minute and 36 inches = 1 yard.
- Time: Relate time units (Third grade - M.5)
- Time: Convert between hours and fractions of hours (Third grade - M.7)

3-6 Data Analysis and Probability

3-6.1 Apply a procedure to find the range of a data set.
3-6.2 Organize data in tables, bar graphs, and dot plots.
- Graphs: Venn diagrams (Third grade - N.7)
3-6.3 Interpret data in tables, bar graphs, pictographs, and dot plots.
3-6.4 Analyze dot plots and bar graphs to make predictions about populations.
3-6.5 Compare the benefits of using tables, bar graphs, and dot plots as representations of a given data set.
3-6.6 Predict on the basis of data whether events are likely, unlikely, certain, or impossible to occur.
- Probability and statistics: Certain, probable, unlikely, and impossible (Third grade - S.1)
3-6.7 Understand when the probability of an event is 0 or 1.