# The Math Forum at NCTM

• ## Powerful Problem Solving Play all

We've made videos of Math Forum staff members leading problem-solving sessions using the ideas and activities in the book, Powerful Problem Solving: Activities for Sense Making with the Mathematical Practices
• ### Arm-Wrestling Contest - What did you hear? - Duration: 5 minutes, 27 seconds.

• 1,365 views
• 5 years ago
• ### Charlie's Gumballs, What Do You See? Part 1 - Duration: 5 minutes, 38 seconds.

• 625 views
• 4 years ago
• ### Charlie's Gumballs, What Do You See? Part 2 - Duration: 6 minutes.

• 225 views
• 4 years ago
• ### Charlie's Gumballs: Act It Out - Duration: 8 minutes, 39 seconds.

• 499 views
• 4 years ago
• ### Charlie's Gumballs: What Did You Hear? - Duration: 7 minutes, 11 seconds.

• 947 views
• 4 years ago
• ### Counting Chicken Wings What Did You Hear? - Duration: 3 minutes, 31 seconds.

• 258 views
• 4 years ago
• ### Counting Chicken Wings: Guessing - Duration: 6 minutes, 36 seconds.

• 307 views
• 4 years ago
• ### Counting Chicken Wings! What Did You Hear? - Duration: 5 minutes, 26 seconds.

• 292 views
• 5 years ago
• ### Cupcakes, Cupcakes! Share - Duration: 3 minutes, 59 seconds.

• 509 views
• 5 years ago
• ### Cupcakes, Cupcakes! Using Manipulatives - Duration: 9 minutes, 52 seconds.

• 954 views
• 5 years ago
• ### Cupcakes, Cupcakes! What Do You Hear? - Duration: 7 minutes, 12 seconds.

• 443 views
• 5 years ago
• ### Eating Grapes - Perseverance - Duration: 5 minutes, 5 seconds.

• 401 views
• 5 years ago
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• ## Problems of the Week Scenarios Play all

These "Scenarios" are problem solving prompts with the specific questions removed. See how much you 'notice and wonder' when you view them.
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• ### Euclid's Elements: A Dynamic Geometry Perspective: Nick Jackiw - Duration: 56 minutes.

• 136 views
• 1 year ago
• ### A Humble Proof (if there's room in the margins): Avery Pickford - Duration: 5 minutes, 15 seconds.

• 73 views
• 1 year ago
• ### Data Games: Bill Finzer - Duration: 5 minutes, 32 seconds.

• 26 views
• 1 year ago
• ### On the Importance of Language and Mathematics: Harold Asturias - Duration: 6 minutes, 8 seconds.

• 152 views
• 1 year ago
• ### Do We Really Want Them To Reason?: Ruth Parker - Duration: 6 minutes, 11 seconds.

• 231 views
• 1 year ago
• ### Up to the Challenge: Embracing the Common Core State Standards: Jennifer North Morris - Duration: 5 minutes, 7 seconds.

• 50 views
• 1 year ago
• ### Why Teach Math and Language History?: Lew Douglas - Duration: 5 minutes, 12 seconds.

• 36 views
• 1 year ago
• ### The Plight of Math Teachers: Dreams and Concerns: Mike Shaughnessy - Duration: 5 minutes, 57 seconds.

• 26 views
• 1 year ago
• ### 9 Surprises: Scott Farrand - Duration: 5 minutes, 46 seconds.

• 189 views
• 1 year ago
• ### 2012 Ignite Event at NCSM - Duration: 15 seconds.

• 37 views
• 1 year ago
• ### Mathalicious - Real-World Math Lessons: Karim Kai Ani - Duration: 6 minutes, 23 seconds.

• 135 views
• 1 year ago
• ### Errors as Springboards for Teacher Change: Juli Dixon - Duration: 5 minutes, 22 seconds.

• 631 views
• 1 year ago
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• ## The VMT Project Play all

The Virtual Math Teams (VMT) Project @ the Math Forum offers students the opportunity to work together and enjoy doing math online. VMT is also an educational research project that investigates how to make collaborative math problem solving a fun learning experience for all students. The VMT project is supported by grants from the NSDL, IERI, SoL, ALT and DR K-12 programs of the US National Science Foundation.