Creative Problem Solving (Divisibility 1)
1. A number is divisible by another number if their quotient is a whole number and the remainder is zero.
2. For whole numbers a, b and c, If a and b are both divisible by c. then the sum and the difference of a and b are each divisible by c.
3. A number is divisible by 9 if the sum of its digits is divisible by 9.
4. A number is divisible by 3 if the sum of its digits is divisible by 3.
First name:
Last name:
Copyright © www.yiminmathcentre.com