Mathematics

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Math News!

Now Offering Virtual Office Hours: Summer Break - Meetings Resume on August 20, 2026

This will be a space for educators and administrators to connect with the director for guidance on standards, teaching strategies and supporting diverse learners. Join us to collaborate, share ideas and enhance math education for all students. 

Assessment Development Recruitment

As a part of the assessment development cycle, DESE Assessment invites Missouri educators to participate in the process to help provide expertise. Missouri is always looking for educators to participate in these meetings. If you wish to be considered for participation for any future development meetings, please complete the online submission form here. Once finished, you will receive an email to the personal email address provided to confirm your submission.

Instructional Resources

Math Standards

Mathematical Practices

Expanded Version of the Mathematics Grade- and Course-Level Expectations

GRADE-LEVEL EXPECTATIONS

COURSE-LEVEL EXPECTATIONS

 

Performance Level Descriptors (PLD)

MAP GRADE-LEVEL PLDs

END-OF-COURSE PLDs

 

Assessment Resources

Mathematics Item Specifications

One of the documents developed is the item specification document, which includes all Missouri grade level/course expectations arranged by domains/strands. It defines what could be measured on a variety of assessments. The document serves as the foundation of the assessment development process. Although teachers may use this document to provide clarity to the expectations, these specifications are intended for summative, benchmark, and large‐scale assessment purposes.

Item Specifications

 

Additional Resources

MAP/EOC Reference Sheets

Student reference sheets for the GLA/EOC assessments can be found in the grade level manuals:

Math Practice Forms

Practice forms for Grade Level MAP and EOC can be found here:

 

Professional Learning

Sign up for any professional development on the DESE curriculum calendar

Math Forum 

 August 27, 2026: 1:00-2:00 p.m. 
Microsoft Teams meeting
Join Math Forum here
Meeting ID: 232 412 376 727 707
Passcode: FG9qV2Cb

In this virtual meeting where we will discuss statewide data, professional development opportunities, changes in state documents or state testing. These meetings will be geared toward school leadership however classroom teachers are welcome to attend. A recorded version of the information shared will be available on the DESE math website. 

Spring Meeting: February 5, 2027 1:00 p.m.

Find the recording of the virtual Math Forum Fall 2025 meeting here.

Foundations of Fractions

 August 6, 2026: 9:00 a.m.-3:00 p.m.

This one day session will focus on connecting concrete and visual models to abstract representations, comparing and ordering fractions and fraction equivalence. Participants will experience using various manipulatives and strategies for teaching the meaning of fractions. 1 hour for lunch on your own. There is no cost to attend. 

Location: Truman Office Building Room 850

301 W High St, Jefferson City, MO 65101

K-2 Early Numeracy

October 1, 2026: 8:30 a.m. -3:00 p.m.

Part 1 will focus on foundations of counting, operations and algebraic thinking  and the base 10 number system. Participants will explore how counting and cardinality develops into unitizing, composing /decomposing numbers, additive reasoning, hands-on activities and analyze evidence of student understanding to inform instructional planning. 1 hour for lunch on your own. There is no cost to attend. Part 2 will be offered 02/22/2027.

Location:  School Smart KC 

3105 Gillham Rd # 200, Kansas City, MO 64109

Exploring Multiplication and Division Grades 3-5

October 2, 2026: 8:30 a.m. -3:00 p.m. Kansas City

October 12, 2026: 9:00 am -3:00 pm Kirksville 

Part 1 participants will dig into research and big ideas through content deepening and explore the use of manipulatives through activities and problems involving equal-sized groups, arrays, and area models. Participants will analyze standards and assessment types to discover students' understanding and to better inform planning of instructional steps. Part 2 will be offered 02/23/2027- KC 02/15/2027- Kirksville

Location: 

  • 10/2/2027: School Smart KC 3105 Gillham Rd # 200, Kansas City, MO 64109

  • 10/12/2027: Northeast RPDC Truman State University 301 E. Patterson Kirksville, MO  63501

Modeling and Meaning In 6-12 Mathematics

October 8, 2026: 8:30 a.m. -3:00 p.m. Cape Girardeau

October 9, 2026: 8:30 a.m.- 3:00 p.m. Saint Louis  

Ratios and Proportional Thinking This session will focus on connections among grade-band standards and strategies to help students learn proportional reasoning concepts. Participants will explore hands-on rich tasks, discuss the importance of sense-making and consider the impact of concrete, semi-concrete and abstract opportunities. 1 hour lunch on your own. There is no cost to attend. 

Location:

  • 10/08/2027: Cape Girardeau Conservation Nature Center 2289 County Park Rd, Cape Girardeau, MO 63701

  • 10/09/2027: Education Plus 1460 Craig Rd, St. Louis, MO 63146

Please contact Traci Gardner at traci.gardner@dese.mo.gov with questions or for more details.

Organizations

National Mathematics Organizations

National Council of Teachers of Mathematics (NCTM)
 

National Council of Supervisors of Mathematics (NCSM)

Missouri Mathematics Organizations

Missouri Council of Teachers of Mathematics (MCTM)


Missouri Council of Supervisors of Mathematics (MoCSM)


American Regions Mathematics League (ARML)


Missouri Mathematics Association for the Advancement of Teacher Training (MAT)2

Central Missouri Mathematics Educators (CM2E)

Kansas City Area Teachers of Mathematics (KCATM)

Mathematics Educators of South Central Missouri (MESCM)

Math Resource Consortium (MaRC)