Missouri sixth-grade math standards

IXL's sixth-grade skills will be aligned to the 2004 Missouri Grade Level Expectations soon! Until then, you can view a complete list of sixth-grade standards below. Be sure to check out the unlimited math practice problems in IXL's 241 sixth-grade skills.

6.1 Number and Operations
  • 6.1.1 Understand numbers, ways of representing numbers, relationships among numbers, and number systems
  • 6.1.1.A Read, write and compare numbers
  • 6.1.1.A.1 compare and order integers, positive rationals and percents, including finding their approximate location on a number line
  • 6.1.1.B Represent and use rational numbers
  • 6.1.1.B.1 recognize and generate equivalent forms of fractions, decimals and percents
  • 6.1.1.C Compose and decompose numbers
  • 6.1.1.C.1 recognize equivalent representations for the same number and generate them by decomposing and composing numbers, including expanded notation
  • 6.1.1.D Classify and describe numeric relationships
  • 6.1.1.D.1 use factors and multiples to describe relationships between and among numbers, including whole number common factors and multiples
  • 6.1.2 Understand meanings of operations and how they relate to one another
  • 6.1.2.B Describe effects of operations
  • 6.1.2.B.1 describe the effects of addition and subtraction on fractions and decimals
  • 6.1.3 Compute fluently and make reasonable estimates
  • 6.1.3.C Compute problems
  • 6.1.3.C.1 add and subtract positive rational numbers
  • 6.1.3.D Estimate and justify solutions
  • 6.1.3.D.1 estimate and justify the results of addition and subtraction of positive rational numbers
  • 6.1.3.E Use proportional reasoning
  • 6.1.3.E.1 solve problems using equivalent ratios
6.2 Algebraic Relationships
  • 6.2.1 Understand patterns, relations, and functions
  • 6.2.1.B Create and analyze patterns
  • 6.2.1.B.1 represent and describe patterns with tables, graphs, pictures, symbolic rules or words
  • 6.2.1.C Classify objects and representations
  • 6.2.1.C.1 compare various forms of representations to identify a pattern
  • 6.2.1.D Identify and compare functions
  • 6.2.1.D.1 identify functions as linear or nonlinear from a table or graph
  • 6.2.2 Represent and analyze mathematical situations and structures using algebraic symbols
  • 6.2.2.A Represent mathematical situations
  • 6.2.2.A.1 use variables to represent unknown quantities in expressions
  • 6.2.2.B Describe and use mathematical manipulation
  • 6.2.2.B.1 recognize equivalent forms for simple algebraic expressions (associative, distributive properties)
  • 6.2.3 Use mathematical models to represent and understand quantitative relationships
  • 6.2.3.A Use mathematical models
  • 6.2.3.A.1 model and solve problems, using multiple representations such as graphs, tables, expressions and equations
  • 6.2.4 Analyze change in various contexts
  • 6.2.4.A Analyze change
  • 6.2.4.A.1 compare situations with constant or varying rates of change
6.3 Geometric and Spatial Relationships
  • 6.3.1 Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships
  • 6.3.1.A Describe and use geometric relationships
  • 6.3.1.A.1 identify the properties of 1- 2- and 3-dimensional shapes using the appropriate geometric vocabulary
  • 6.3.1.B Apply geometric relationships
  • 6.3.1.B.1 describe relationships between the corresponding angles and the length of corresponding sides of similar triangles (whole number scale factors)
  • 6.3.2 Specify locations and describe spatial relationships using coordinate geometry and other representational systems
  • 6.3.2.A Use coordinate systems
  • 6.3.2.A.1 use coordinate geometry to construct geometric shapes
  • 6.3.3 Apply transformations and use symmetry to analyze mathematical situations
  • 6.3.3.A Use transformations on objects
  • 6.3.3.A.1 describe the transformation from a given pre-image to its image using the terms reflection/flips, rotation/turn and translation/slide
  • 6.3.3.C Use symmetry
  • 6.3.3.C.1 create polygons and designs with rotational symmetry
  • 6.3.4 Use visualization, spatial reasoning and geometric modeling to solve problems
  • 6.3.4.A Recognize and draw three-dimensional representations
  • 6.3.4.A.1 use spatial visualization to identify isometric representations of mat plans
  • 6.3.4.B Draw and use visual models
  • 6.3.4.B.1 draw or use visual models to represent and solve problems
6.4 Measurement
  • 6.4.1 Understand measurable attributes of objects and the units, systems and processes of measurement
  • 6.4.1.A Determine unit of measurement
  • 6.4.1.A.1 identify and justify an angle as acute, obtuse, straight or right
  • 6.4.1.C Tell and use units of time
  • 6.4.1.C.1 solve problems involving elapsed time (hours and minutes)
  • 6.4.2 Apply appropriate techniques, tools and formulas to determine measurements
  • 6.4.2.A Use standard or non-standard measurement
  • 6.4.2.A.1 estimate a measurement using either standard or nonstandard unit of measurement
  • 6.4.2.B Use angle measurement
  • 6.4.2.B.1 select and use benchmarks to estimate measurements of 0-, 45-, 90-, 180-, 360- degree angles
  • 6.4.2.C Apply geometric measurements
  • 6.4.2.C.1 describe how to solve problems involving the area or perimeter of polygons
  • 6.4.2.E Use relationships within a measurement system
  • 6.4.2.E.1 convert from one unit to another within a system of measurement (mass and weight)
6.5 Data and Probability
  • 6.5.1 Formulate questions that can be addressed with data and collect, organize and display relevant data to answer them
  • 6.5.1.A Formulate questions
  • 6.5.1.A.1 formulate questions, design studies and collect data about a characteristic
  • 6.5.1.C Represent and interpret data
  • 6.5.1.C.1 interpret circle graphs; create and interpret stem-and-leaf plots
  • 6.5.2 Select and use appropriate statistical methods to analyze data
  • 6.5.2.A Describe and analyze data
  • 6.5.2.A.1 find the range and measures of center, including median, mode and mean
  • 6.5.2.B Compare data representations
  • 6.5.2.B.1 compare different representations of the same data and evaluate how well each representation shows important aspects of the data
  • 6.5.3 Develop and evaluate inferences and predictions that are based on data
  • 6.5.3.A Develop and evaluate inferences
  • 6.5.3.A.1 use observations about differences between 2 samples to make conjectures about the populations from which the samples were taken
  • 6.5.4 Understand and apply basic concepts of probability
  • 6.5.4.A Apply basic concepts of probability
  • 6.5.4.A.1 use a model (diagrams, list, sample space, or area model) to illustrate the possible outcomes of an event