3rd Grade Math (Indiana Academic Standards)

Your Teacher Information Pack for 3rd Grade Math in Indiana: the standards with their official codes, the state tests and the official links. Check what you're teaching and plan a lesson.

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The standards (our summaries)

Indiana's official codes with our own short summaries (not the official wording). Each code links to the official document.

Grade 3

Number Sense (NS)

• 3.NS.1 Read and write whole numbers to 10,000 in words, models, standard and expanded form, showing equivalent forms.
• 3.NS.2 Understand unit fractions as one equal part of a whole and other fractions as multiples of unit fractions (denominators 2, 3, 4, 6, 8).
• 3.NS.3 Locate a fraction on a number line by marking equal unit-fraction lengths from zero.
• 3.NS.4 Use fraction models to show and generate simple equivalent fractions, seeing that the value stays the same.
• 3.NS.5 Compare fractions with the same numerator or denominator by reasoning about their size; record with symbols and justify.
• 3.NS.6 Round two- and three-digit whole numbers to the nearest ten or hundred using place value.

Computation and Algebraic Thinking (CA)

• 3.CA.1 Add and subtract multi-digit whole numbers fluently using place value strategies, algorithms and properties of operations.
• 3.CA.2 Solve real-world multi-digit addition and subtraction problems using drawings and equations with a symbol for the unknown.
• 3.CA.3 Model multiplication as equal groups, arrays, area models and equal jumps on a number line; show the properties of 0 and 1.
• 3.CA.4 Model division as sharing, partitioning and the inverse of multiplication; show how 0 and 1 behave in division.
• 3.CA.5 Multiply and divide within 100 using strategies such as fact families and properties of operations.
• 3.CA.6 Know multiplication facts from 0 to 10 and the related division facts fluently.
• 3.CA.7 Solve real-world multiplication and division problems within 100 (equal groups, arrays, measures) with drawings and equations.
• 3.CA.8 Make, extend and state a rule for number patterns within 100, including patterns in addition and multiplication tables.

Geometry (G)

• 3.G.1 Recognize rhombuses, rectangles and squares as quadrilaterals and draw examples and non-examples.
• 3.G.2 Draw and name points, lines and line segments with rulers or digital tools and use these terms to describe 2D shapes.
• 3.G.3 Split shapes into parts of equal area and name each part as a unit fraction (1/2, 1/3, 1/4, 1/6, 1/8).

Measurement (M)

• 3.M.1 Estimate and measure mass (g, kg) and volume (quarts, gallons, liters); solve one-step problems in the same unit.
• 3.M.2 Choose units and tools to measure length to the nearest quarter inch, weight in pounds and temperature in °C and °F.
• 3.M.3 Tell time to the nearest minute, measure elapsed time in minutes and solve time-interval word problems.
• 3.M.4 Count coins and bills; write money amounts with ¢ or $ and decide whether there is enough money to buy items.
• 3.M.5 Find the area of rectangles with unit squares and by multiplying sides; draw rectangles with equal perimeter but different area, or the reverse.
• 3.M.6 Find the perimeter of polygons from side lengths, including when one side length is unknown.

Data Analysis (DA)

• 3.DA.1 Organize data from observations, surveys or experiments in scaled bar graphs and pictographs and solve problems using them.

Mathematics Process Standards (all grades)

Process Standards (PS)

• PS.1 Make sense of problems, plan a solution path, monitor progress and check that answers are reasonable.
• PS.2 Reason abstractly and quantitatively, moving between symbols and the real context while attending to units.
• PS.3 Build and justify arguments (including always/sometimes/never), critique others' reasoning and collaborate.
• PS.4 Model with mathematics: apply math to everyday situations, make reasonable assumptions and check results.
• PS.5 Choose and use suitable tools, from paper and models to technology, knowing their strengths and limits.
• PS.6 Attend to precision: communicate with clear definitions, correct symbols, labeled units and suitable accuracy.
• PS.7 Look for and use structure and patterns, seeing complex items as single objects or as sets of parts.
• PS.8 Notice repeated reasoning, look for general methods and shortcuts, and keep checking intermediate results.

Tests and key dates

• ILEARN
• IREAD-3
• SAT / PSAT (College Board)

Check the Indiana Department of Education for which grades are tested and this year's testing dates (we have not yet confirmed every detail above on the official site).

Official documents

• secure.in.gov: mathematics
• in.gov: indiana academic standards for math and ela
• in.gov: Kindergarten ELA 2023 IAS CCSS Correlation Guide

More packs

Common Core version: Grade 3 Math · Indiana hub · Find another TIP