NRICH: 2-digit Square
NRICH: 2-digit Square
A 2-Digit number is squared. When this 2-digit number is reversed and squared, the difference between the squares is also a square. What is the 2-digit number?
A 2-digit number is squared. When the 2-digit number is reversed and squared, the difference between the squares is also a square.
What is the 2-digit number?
Age 14 to 16
NRICH (University of Cambridge)
Math Topics
Algebra & Pre-Algebra, Quadratic Equations
High School, Educator
9th Grade, 10th Grade, 11th Grade
What are you looking for?
Organization
NRICH (University of Cambridge)
Website URL
Type of Resource
Challenge
Assigned Categories
Resource k12
NRICH: 2-digit Square
A 2-Digit number is squared. When this 2-digit number is reversed and squared, the difference between the squares is also a square. What is the 2-digit number?
A 2-digit number is squared. When the 2-digit number is reversed and squared, the difference between the squares is also a square.
What is the 2-digit number?
Age 14 to 16
NRICH (University of Cambridge)
Math Topics
Algebra & Pre-Algebra, Quadratic Equations
High School, Educator
9th Grade, 10th Grade, 11th Grade
What are you looking for?
Organization
NRICH (University of Cambridge)
Website URL
Type of Resource
Challenge