Quick Tips List

Txt1.   Square the number with ending 5.
Txt2.   Square the number with beginning 1
Txt3.   Square the number with ending 1.
Txt4.   Multiply the number by 99 or 101
Txt5.   Multiply the number by 9 or 12.

Txt6.   Multiply the number by 1.5 or 15 or 150
Txt7.   Multiply or Divide the number by 25.
Txt8.   Multiply or Divide the number by 125
Txt9.   Multiply or Divide the number by 1.5, 2.5 ---
Txt10. Multiply the number by 11

Txt11. Divide the number by 8, 0.8, 80, 800, ---.
Txt12. Divide the number by 9, 99, 999, 9999, -------
Txt13. Multiply the number with difference 2 or 4
Txt14. Multiply the number with 1st same & last sum 10
Txt15. Multiply the number by regrouping

Txt16. Multiply the number by augmenting
Txt17. Multiply the numbers just over 100
Txt18. Multiply the numbers with 2 step 10
Txt19. Check the calculation by Scanning with Divisibility rule of 9
Txt20. Estimate Multiplication or Division by 33 or 34

Txt21. Estimate Multiplication or Division by 66 or 67
Txt22. Estimate Multiplication or Division by 49 or 51
Txt23. Estimate Division by 9 or 11
Txt24. Estimate [ Division by 14 or 37
Txt25. Square the two digit number beginning in 5

Txt26. Multiply or Divide the number by 75.

Check the Fluency in Math Factors by Paper Test.

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