Square of 3-Digit Number

1.

402² :

2. 895² :

3. 842² :

4. 943² :

5. 979² :

6. Square of Numbers Closer to 100

122² : (122)(122)= 122+22=144, and  22² = 484

Add Last Digit of 1st number and starting Digit of 2nd number s align as Top and Bottom of Addition 14(4+4)84=14884

123² : (123)(123)= 123+23=146, and  23² = 529

Add Last Digit of 1st number and starting Digit of 2nd number s align as Top and Bottom of Addition 14(6+5)29=15129

145² :

7. 135² :

8. 155² :

9. 165² :

10. 175² :

11. 185² :

12. 195² :