Learning Together

MATHEMATICS CHALLENGE
Mathematics helps us have better problem-solving skills
Mathematics helps us think analytically and have better reasoning abilities.
This week I thought I would challenge your brains at home with some Mathematics Riddles. Feel free to email me your answers if you would like to. Have fun!
Riddle 1
123=0; 4235=0; 656=2; 5390=2; 8890=6; 1001=2; 19235=1
What is 123456789?
Riddle 2
How do you go from 98 to 720 using just one letter?
Riddle 3
There is a three digit number.
The second digit is four times as big as the third digit, while the first digit is three less than the second digit.
What is the number?
Jeannine Ucdereli
Assistant Principal Learning and Teaching