Multiplied by itself is discussed here.
(i) When 1 is multiplied by 1 we get 1
1 x 1 = 1
(ii) When 2-digit number 11 is multiplied by itself, the middle digit in the product is 2
11 x 11 = 121
(iii) When 3-digit number 111 is multiplied by itself, the product is:
111 x 111 = 12321
(iv) When 4-digit number 1111 is multiplied by itself, the product is:
1111 x 1111 = 1234321
Similarly, we can write the product of:
(a) 11111 x 11111 = 123454321
(b) 111111 x 111111 = 12345654321
(c) 1111111 x 1111111 = 1234567654321
● Patterns and Mental Mathematics
● Counting Numbers in Proper Pattern
4th Grade Math Activities
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