3rd Grade Math (Minnesota Academic Standards)

Strand 1: Number & Operation

• 3.1.1.1 Read, write and represent numbers up to 100,000 in several ways.
• 3.1.1.2 Use place value to describe numbers from 1,000 to 100,000.
• 3.1.1.3 Find 10,000, 1,000 or 100 more or less than a number.
• 3.1.1.4 Round numbers to the nearest place value and estimate sums and differences.
• 3.1.1.5 Compare and order numbers up to 100,000.
• 3.1.2.1 Add and subtract multi-digit numbers using place value and standard algorithms.
• 3.1.2.2 Solve addition and subtraction word problems and check that answers are reasonable.
• 3.1.2.3 Represent multiplication with equal groups, arrays, area models or skip counting; relate it to division.
• 3.1.2.4 Solve multiplication and division problems about group size or number of groups.
• 3.1.2.5 Multiply two- and three-digit numbers by a one-digit number using place value.
• 3.1.3.1 Read and write fractions as parts of a whole or a set.
• 3.1.3.2 Understand that the size of a fractional part depends on the whole.
• 3.1.3.3 Order unit fractions and fractions with like denominators using models.

Strand 2: Algebra

• 3.2.1.1 Create and use one-step input–output rules with addition, subtraction or multiplication.
• 3.2.2.1 Understand multiplication and division number sentences with unknowns and write matching stories.
• 3.2.2.2 Write multiplication and division sentences for problems and solve for unknowns.

Strand 3: Geometry & Measurement

• 3.3.1.1 Identify parallel and perpendicular lines and use them to build rectangles and trapezoids.
• 3.3.1.2 Sketch polygons with a given number of sides or vertices.
• 3.3.2.1 Measure distances to the nearest half unit.
• 3.3.2.2 Find the perimeter of a shape by adding side lengths.
• 3.3.2.3 Measure distances around objects.
• 3.3.3.1 Tell time to the minute on analog and digital clocks and find elapsed time.
• 3.3.3.2 Know how units of time relate to each other.
• 3.3.3.3 Make change up to one dollar in several ways, including with fewest coins.
• 3.3.3.4 Read a thermometer in °F and °C to the nearest degree.

Strand 4: Data Analysis & Probability

• 3.4.1.1 Collect, organize and interpret data in tables, graphs and line plots.