# The Monty Hall Problem: Switch Doors or Not?

This video explains the Monty Hall problem.

# Curious Calculation: 3 Digit Num Divided by Sum of Digits (Proof Included)

This video show a calculation starting with a 3 digit number with all the same digit divided by the sum of the digits is always the same result.

# Curious Calculation: Result is Always 8 (Proof Included)

This video show a calculation starting with any counting number that always results in 8. A proof is included.

# Curious Calculation: Result is Always 3 (Proof Included)

This video show a calculation starting with any counting number that always results in 3. A proof is included.

# Percent Application: Determine an Original Price Using a Tape (Bar) Diagram

This video solves a percent problem using a tape diagram.

# Percent Application: Determine an Original Price Using a Tape (Bar) Diagram

This video solves a percent problem using a tape diagram.

# Percent Application: Determine a Sale Price Using a Tape (Bar) Diagram

This video solves a percent problem using a tape diagram.