IXL Math - Louisiana third-grade math standards

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Louisiana

Skills available for Louisiana third-grade math standards

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3.NNR Number and Number Relations

3.1 Model, read, and write place value in word, standard, and expanded form for numbers through 9999
3.2 Read, write, compare, and order whole numbers through 9999 using symbols (i.e., <, =, >) and models
3.3 Use region and set models and symbols to represent, estimate, read, write, and show understanding of fractions through tenths
3.4 Use the concepts of associative and commutative properties of multiplication to simplify computations
- Properties: Properties of multiplication (Third grade - H.5)
- Properties: Solve using properties of multiplication (Third grade - H.6)
3.5 Recognize and model multiplication as a rectangular array or as repeated addition
- Multiplication: Multiplication sentences (Third grade - E.1)
- Properties: Relate addition and multiplication (Third grade - H.7)
3.6 Recognize and model division as separating quantities into equal subsets (fair shares) or as repeated subtraction
3.7 Recognize and apply multiplication and division as inverse operations
- Properties: Relate multiplication and division (Third grade - H.8)
3.8 Recognize, select, connect, and use operations, operational words, and symbols (i.e., +, -, x, ÷) to solve real-life situations
3.9 Know basic multiplication and division facts [0s, 1s, 2s, 5s, 9s, and turn-arounds (commutative facts), including multiplying by 10s]
3.10 Calculate the value of a combination of bills and coins and make change up to $5.00
3.11 Add and subtract numbers of 3 digits or less
3.12 Round to the nearest 1000 and identify situations in which such rounding is appropriate
- Estimation and rounding: Rounding (Third grade - J.1)
- Estimation and rounding: Rounding puzzles (Third grade - J.3)
3.13 Determine when and how to estimate, and when and how to use mental math, calculators, or paper/pencil strategies to solve addition and subtraction problems

3.ALG Algebra

3.14 Use the symbols <, >, and "not equal to", to express inequalities
3.15 Use objects, pictures, numbers, symbols, and words to represent multiplication and division problem situations
3.16 Use number sentences to represent real-life problems involving multiplication and division
3.17 Analyze and describe situations where proportional trades or correspondences are required (e.g., trade 2 pieces of candy for 3 pieces of gum, make equivalent actions on pans to keep balance scale in equilibrium, plan for the number of pieces of bread needed for x sandwiches)
3.18 Use letters as variables in mathematical statements that represent real-life problems (e.g., 2 x n = 8)

3.MEA Measurement

3.19 Measure length to the nearest yard, meter, and half-inch
3.20 Measure capacity using pints and gallons
3.21 Measure weight using grams and ounces
3.22 Find the perimeter of a geometric shape given the length of its sides
- Geometry: Perimeter (Third grade - P.6)
3.23 Find the area in square units of a given rectangle (including squares) drawn on a grid or by covering the region with square tiles
- Geometry: Area (Third grade - P.7)
3.24 Find elapsed time involving hours and minutes, without regrouping, and tell time to the nearest minute
3.25 Select and use the appropriate standard units of measure, abbreviations, and tools to measure length and perimeter (i.e., in., cm, ft., yd., m), area (square inch, square centimeter), capacity (i.e., cup, pint, quart, gallon, liter), and weight/mass (i.e., oz., lb., g, kg, ton)
3.26 Order a set of measures within the same system
3.27 Compare U.S. and metric measurements using approximate reference points without using conversions (e.g., a meter is longer than a yard)
3.28 Estimate length, weight/mass, and capacity
- Measurement: Which customary unit is appropriate? (Third grade - O.3)
- Measurement: Which metric unit is appropriate? (Third grade - O.9)

3.GEO Geometry

3.29 Classify and describe 2- and 3-dimensional objects according to given attributes (triangle vs. quadrilateral, parallelogram vs. prism)
- Geometry: Identify planar and solid shapes (Third grade - P.1)
3.30 Apply concepts of congruence, similarity, and symmetry in real-life situations
- Geometry: Symmetry (Third grade - P.3)
- Geometry: Similar and congruent (Third grade - P.4)
3.31 Draw or reconstruct figures from visual memory or verbal descriptions
3.32 Recognize and execute specified flips, turns, and slides of geometric figures using manipulatives and correct terminology (including clockwise and counterclockwise)
- Geometry: Reflection, rotation, and translation (Third grade - P.5)
3.33 Construct and draw rectangles (including squares) with given dimensions (e.g., grid paper, square tiles)
3.34 Fold a 2-dimensional net into a 3-dimensional object
3.35 Identify, give properties of, and distinguish among points, lines, line segments, planes, rays, and angles
- Geometry: Lines, line segments, and rays (Third grade - P.10)
3.36 Identify and draw segments, rays, and lines that are perpendicular, parallel, and intersecting
3.37 Identify, describe, and draw intersecting, horizontal, vertical, parallel, diagonal, and perpendicular lines, rays, and right angles in the real world
- 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)
3.38 Find the length of a path (that does not include diagonals) between two points on a grid

3.DAPDM Data Analysis, Probability, and Discrete Math

3.39 Identify categories and sort objects based on qualitative (categorical) and quantitative (numerical) characteristics
3.40 Read, describe, and organize a two-circle Venn diagram
- Graphs: Venn diagrams (Third grade - N.7)
3.41 Explain the word average and use it appropriately in discussing what is "typical" of a data set
- Probability and statistics: Mean, median, mode, and range (Third grade - S.2)
- Probability and statistics: Interpret charts to find mean, median, mode, and range (Third grade - S.3)
3.42 Match a data set to a graph, table, or chart and vice versa
- Graphs: Bar graphs (Third grade - N.3)
3.43 Represent and solve problems using data from a variety of sources (e.g., tables, graphs, maps, advertisements)
3.44 Discuss chance situations in terms of certain/impossible and equally likely
3.45 Use manipulatives to discuss the probability of an event (e.g., number cubes, spinners to determine what is most likely or least likely)
- Probability and statistics: Certain, probable, unlikely, and impossible (Third grade - S.1)

3.PRF Patterns, Relations, and Functions

3.46 Identify and model even and odd numbers with objects, pictures, and words
3.47 Find patterns to complete tables, state the rule governing the shift between successive terms, and continue the pattern (including growing patterns)