Toggle navigation
Log out
Log in
Join
View Cart
Store
Classroom Resources
Notice and Wonder
The Year Game
Back to School Resources
Monthly Featured Resources
Featured Math Resources: Pandemics
Illuminations & More Online Resources
Activities with Rigor & Coherence - ARCs
Reasoning & Sense Making Task Library
Problems of the Week Resources
Student Explorations in Mathematics
Publications
Books
“Best of” Issues
Mathematics Teacher: Learning and Teaching PK-12
Journal for Research in Mathematics Education
Mathematics Teacher Educator
Legacy Journals and JRME and MTE
Institutional Subscriptions
Write, Review, Referee
Advertise
Rights and Permissions
Standards & Positions
Principles to Actions
Common Core State Standards
Principles and Standards
CAEP Standards
Curriculum Focal Points
Focus in High School Mathematics
More NCTM Standards
Position Statements
Catalyzing Change
Advocacy
Policies and Recommendations
Advocacy Toolkit
Advocacy and Legislation
Advocacy Action Center
Every Student Succeeds Act - ESSA Toolkit
NCTM Social Justice and Equity Resources
Research
Research Briefs & Clips
Linking Research & Practice
Research Conference
Research Monographs
Journal for Research in Mathematics Education
Conferences & Professional Development
2021 Virtual Conference
Annual Meeting & Exposition
Regional Conferences & Expositions
Research Conference
Be a Speaker
Webinars
Professional Development Resources
NCTM CAEP Report Compiler Training
Professional Services
Webcast Library
Exhibit, Advertise, Sponsor
Grants & Awards
Funding Opportunities
About Mathematics Education Trust
Browse All Grants
Giving Opportunities
Special Events
Lifetime Achievement Award
Membership
Benefits of Membership
Membership Options for Individuals
Group Access
About
Affiliates
News & Calendar
Career Center
Get Involved
Support Us
NCTM Blog
MyNCTM
About
Affiliates
News & Calendar
Career Center
Get Involved
Support Us
NCTM Blog
MyNCTM
Log In
About
Affiliates
News & Calendar
Career Center
Get Involved
Support Us
NCTM Blog
MyNCTM
Join Now
View Cart
NCTM Store
Toggle navigation
MENU
Classroom Resources
Notice and Wonder
The Year Game
Back to School Resources
Monthly Featured Resources
Featured Math Resources: Pandemics
Illuminations & More Online Resources
Activities with Rigor & Coherence - ARCs
Reasoning & Sense Making Task Library
Problems of the Week Resources
Student Explorations in Mathematics
Publications
Books
“Best of” Issues
Mathematics Teacher: Learning and Teaching PK-12
Journal for Research in Mathematics Education
Mathematics Teacher Educator
Legacy Journals and JRME and MTE
Institutional Subscriptions
Write, Review, Referee
Advertise
Rights and Permissions
Standards & Positions
Principles to Actions
Common Core State Standards
Principles and Standards
CAEP Standards
Curriculum Focal Points
Focus in High School Mathematics
More NCTM Standards
Position Statements
Catalyzing Change
Advocacy
Policies and Recommendations
Advocacy Toolkit
Advocacy and Legislation
Advocacy Action Center
Every Student Succeeds Act - ESSA Toolkit
NCTM Social Justice and Equity Resources
Research
Research Briefs & Clips
Linking Research & Practice
Research Conference
Research Monographs
Journal for Research in Mathematics Education
Conferences & Professional Development
2021 Virtual Conference
Annual Meeting & Exposition
Regional Conferences & Expositions
Research Conference
Be a Speaker
Webinars
Professional Development Resources
NCTM CAEP Report Compiler Training
Professional Services
Webcast Library
Exhibit, Advertise, Sponsor
Grants & Awards
Funding Opportunities
About Mathematics Education Trust
Browse All Grants
Giving Opportunities
Special Events
Lifetime Achievement Award
Membership
Benefits of Membership
Membership Options for Individuals
Group Access
Session278_Wanko_Walker_Sudoku_Variations
Log In
Not a member?
Join Now
Most Viewed
No records found