Page 17 - NUMINO Challenge_C1

Creative Thinking

1 Which of the following are not Kaprekar numbers?

Kaprekar Numbers

Split a number into two parts and add the two new
numbers together. Then multiply that number by itself. If
the result is the same as the original number, the original
number is called a Kaprekar number.

60481729

6048 1729

60481729 is a Kaprekar number.

6048 1729 7777

7777 7777 60481729

2025 81 3969
3123 9801

2 Find the pattern in the equations below and write the correct numbers
for and .

0911
1 9 2 11
12 9 3 111

9 4 1111

1234567 9 8

14 NUMINO Challenge C1