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.

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

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

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

# A Pattern with the Product of 11 and Another 2 Digit Number

# A Pattern Multiplying Numbers With 1’s in Each Place Value

# Determine Someone’s Age From Their Phone Number (2017)

# Compound Inequalities including Special Cases

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.

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

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

This video shows the pattern with a product of 11 and another 2 digit number.

This video explains the pattern when multiplying a counting number by itself with only one’s in each place value.

This video explains a fun and simple calculation to determine someone’s age.

This video explains how to solve compound inequalities.