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SHORT CUT METHODS OF MATHEMATICS BY Dr. NITIN OKE. Safe Hands, Akola.

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Presentation on theme: "SHORT CUT METHODS OF MATHEMATICS BY Dr. NITIN OKE. Safe Hands, Akola."— Presentation transcript:

1 SHORT CUT METHODS OF MATHEMATICS BY Dr. NITIN OKE. Safe Hands, Akola

2 Identify and grab the opportunity 2 8 2 162x36 8x2

3 3x7 2 3 2 7 212x36

4 6x4 5 6 5 4 245x630

5 axbab Identify and grab the opportunity n a n b nx(n+1) ONLY IF a + b = 10

6 Practice it a little 4 8 4 2 16 20

7 3 8 3 2 16 12

8 6 7 6 3 21 42

9 Practice it a little 6 9 6 1 9 42 0 Be careful IF a or b is 9 then ab is NOT just “9” it is “09”

10 8 3 8 7 21 72

11 Practice it a little 3 3 7 21 12

12 Practice it a little 5 3 5 7 21 30

13 Practice it a little 5 6 5 4 24 30

14 Practice it a little 4 4 6 24 20

15 Practice it a little 2 8 2 16 6

16 Practice it a little 3 8 2 16 6

17 Practice it a little 3 7 3 2 14 12

18 TRUM CARD IS - - - 3 1 2 2 86+2 6

19 4 1 2 2 0 8+289

20 TRUM CARD IS - - - 3 8 2 6 6+16 1 22 3 68

21 4 6 4 4 2 16+24 2 40 42 16 4 20

22 4 3 4 5 5 3 20+12 1 32 33 16 3 19

23 19 2 3 6 5 5 10+18 28 29 12 2 14

24 2 1 3 4 3 2 4 16+6 22 23 8 2 10

25 6 1 2 2 2 4 3 6+8 14 4 15 1 8 1 3+4+8 6 9 2

26 8 3 1 2 2 5 4 4 1 1 2 9 1 7 2 2

27 6 3 1 2 5 3 3 1 4 1 6 1 1 5 1 0

28 9 3 5 3 5 3 0 3 4 3 5 1 1 7 3 8 1 0

29 3 7 2 3 5 1 7 1 5 3 3 6 3 0

30 9 4 1 5 4 1 7 2 3 2 2 5 1 4 2 2 3 2 9 3 8 2 8 0 1 2 1 4 14 18

31 5 3 6 3 3 1 7 2 3 1 2 1 1 4 3 1 1 1 5 1 4 0 2 1 4 1 8 1 2 1 15

32 7 1 7 2 3 1 5 4 4 0 0 0 3 2 8 3 4 2 0 4 5 3 9 3 3


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