From Ixl math website standards
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Here is a list of all of the skills students learn in third grade! The skills are organized into categories, and you can move your mouse over any skill name to see a sample question. To start practicing, just click on any link. IXL will track your score, and the questions will even increase in difficulty as you improve!
Geometry
 P.1 Identify planar and solid shapes
 P.2 Count and compare sides, edges, faces, and vertices
 P.3 Symmetry
 P.4 Similar and congruent
 P.5 Reflection, rotation, and translation
 P.6 Perimeter
 P.7 Area
 P.8 Volume
 P.9 Angles: greater than, less than, or equal to a right angle
 P.10 Lines, line segments, and rays
 P.11 Is it a polygon?
 P.12 Triangles: equilateral, isosceles, and scalene
 P.13 Triangles: acute, right, and obtuse
Probability and statistics
 Shapes

 Count to 3

 Count to 5

 Count to 10

 Count to 20

 Comparing

 Positions

 Classify

 Size

 Money

 Numbers and counting up to 3

 Numbers and counting up to 5

 Numbers and counting up to 10

 Numbers and counting up to 20

 Numbers and counting beyond 20

 Skipcounting

 Comparing

 Patterns

 Adding

 Subtracting

 Positions

 Fractions

 Time

 Sorting, ordering, and classifying

 Data and graphs

 Probability

 Measurement

 Money

 Geometry

 Vocabulary

 Counting and number patterns

 Addition

 Addition  skill builders

 Subtraction

 Subtraction  skill builders

 Mixed operations

 Comparing

 Estimating

 Fractions

 Geometry

 Spatial sense

 Data and graphs

 Measurement

 Money

 Patterns

 Probability and statistics

 Sorting, ordering, and classifying

 Time

 Counting and number patterns

 Comparing and ordering

 Names of numbers

 Patterns

 Addition  one digit

 Subtraction  one digit

 Addition  two digits

 Subtraction  two digits

 Addition  three digits

 Subtraction  three digits

 Properties

 Mixed operations

 Place values

 Estimation and rounding

 Logical reasoning

 Money

 Time

 Data and graphs

 Measurement

 Geometry

 Fractions

 Probability and statistics

 Multiplication

 Division

Thirdgrade skills Expanded view
 Numbers and comparing

 Place value

 Addition

 Subtraction

 Multiplication

 Division

 Mixed operations

 Properties

 Equations and variables

 Estimation and rounding

 Logical reasoning

 Money

 Time

 Graphs

 Measurement

 Geometry

 Identify planar and solid shapes
 Count and compare sides, edges, faces, and vertices
 Symmetry
 Similar and congruent
 Reflection, rotation, and translation
 Perimeter
 Area
 Volume
 Angles: greater than, less than, or equal to a right angle
 Lines, line segments, and rays
 Is it a polygon?
 Triangles: equilateral, isosceles, and scalene
 Triangles: acute, right, and obtuse
 Fractions

 Decimals

 Probability and statistics

 Number sense

 Addition

 Subtraction

 Multiplication

 Division

 Mixed operations

 Algebra

 Functions

 Coordinate graphs

 Data, charts, and graphs

 Logical reasoning

 Patterns

 Money

 Measurement

 Time

 Geometry

 Identify planar and solid figures
 Types of triangles
 Open and closed shapes and qualities of polygons
 Which 2dimensional shape is being described?
 Which 3dimensional figure is being described?
 Number of sides in polygons
 Count and compare sides, edges, faces, and vertices
 Similar and congruent
 Nets of 3dimensional figures
 Acute, right, obtuse, and straight angles
 Angles of 90, 180, 270, and 360 degrees
 Measure angles with a protractor
 Parts of a circle
 Perimeter
 Area of squares and rectangles
 Area of complex figures (with all right angles)
 Volume
 Use area and perimeter to determine cost
 Rotational symmetry
 Lines of symmetry
 Parallel, perpendicular, intersecting
 Calculate radius, diameter and circumference
 Fractions and mixed numbers

 Add and subtract fractions

 Decimals

 Add and subtract decimals

 Probability and statistics

 Place value and number sense

 Geometry

 Identify planar and solid figures
 Types of triangles
 Open and closed shapes and qualities of polygons
 Regular and irregular polygons
 Number of sides in polygons
 Which figure is being described?
 Reflection, rotation, and translation
 Count and compare sides, edges, faces, and vertices
 Similar and congruent
 Nets of 3dimensional figures
 Types of angles
 Measure angles with a protractor
 Parts of a circle
 Perimeter
 Area of squares and rectangles
 Area of triangles
 Area of parallelograms and trapezoids
 Area of compound figures
 Area and perimeter of irregular figures
 Area and perimeter: word problems
 Volume
 Surface area
 Threedimensional figures viewed from different perspectives
 Lines of symmetry
 Rotational symmetry
 Lines, line segments, and rays
 Parallel, perpendicular, intersecting
 Radius, diameter, circumference, and area of a circle
 Find the unknown angle in triangles and quadrilaterals
 Decimals

 Addition and subtraction

 Add and subtract decimals

 Multiplication

 Multiply decimals

 Division

 Division with decimals

 Problem solving

 Number theory

 Fractions and mixed numbers

 Add and subtract fractions

 Multiply fractions

 Divide fractions

 Algebra

 Coordinate graphs

 Data, charts, and graphs

 Patterns

 Consumer math

 Ratios, proportions, and percents

 Measurement

 Time

 Probability and statistics

 Whole numbers

 Decimal numbers

 Integers

 Rational numbers

 Exponents and square roots

 Money

 Consumer math

 Time

 Add and subtract integers

 Add and subtract decimals

 Multiplication

 Division

 Problem solving and estimation

 Number theory

 Multiply and divide decimals

 Algebra

 Coordinate graphing

 Charts and graphs

 Statistics

 Calculate mean, median, mode, and range
 Interpret charts to find mean, median, mode, and range
 Mean, median, mode, and range: find the missing number
 Identify representative, random, and biased samples
 Fractions and mixed numbers

 Add and subtract fractions

 Multiply fractions

 Divide fractions

 Measurement

 Geometry

 Lines, line segments, and rays
 Review of 2 and 3dimensional figures
 Angle review: measure and classify
 Estimate angle measurements
 Name angles
 Complementary and supplementary angles
 Transversal of parallel lines
 Triangle review
 Classify quadrilaterals
 Find missing angles and side lengths in triangles and quadrilaterals
 Sums of angles in polygons
 Parts of a circle
 Central angles of circles
 Similar and congruent figures
 Find side lengths of similar figures
 Reflection, rotation, and translation
 Symmetry
 Find lengths and measures of bisected lines and angles
 Perimeter
 Area
 Rectangles: relationship between perimeter and area
 Compare area and perimeter of two figures
 Circles: calculate area, circumference, radius, and diameter
 Identify polyhedra and count faces, edges, and vertices
 Which figure is being described?
 Front, side, and top view
 Volume and surface area
 Ratios, proportions, and percents

 Probability

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