Transcript SHORT CUT METHODS OF MATHEMATICS

SHORT CUT
METHODS OF
MATHEMATICS
BY
Dr. NITIN OKE.
Safe Hands, Akola
Identify and grab the
opportunity
28
22
2x368x2
16
23
27
2x363x7
21
56
54
5x6
306x4
24
Identify and grab the
ONLY IF a + b = 10
opportunity
na
nb
axb
ab
nx(n+1)
Practice it a little
48
42
2016
38
32
1216
67
63
4221
IF Practice
a orBe
b is
9
then
ab
is
it a little
careful
NOT just “9” it is “09”
69
61
9
42 0
83
87
7221
Practice it a little
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37
1221
Practice it a little
53
57
3021
Practice it a little
56
54
3024
Practice it a little
44
46
2024
Practice it a little
28
22
616
Practice it a little
38
22
616
Practice it a little
37
32
12 14
TRUM CARD IS - - -
31
22
6+2
68 2
41
22
8+2
90 2
8
38
22
6+161
2236
8
6
TRUM CARD IS - - -
16+24
40
4
6
16
42
44
2024
4
20+12
32
4
3
16
33
45
35
191
3
10+18
28
2
3
12
29
65
95
141
2
8
16+6
22
43
23
24
101
32
2
3+4+8 6+8
15 1 2 2 14
2 4 3
28
964 6
11
3 1 2
2 5 4
2 48
79 1
121
3 1 2
0 5 3
436
16 5
1 11
3 5 3
0 5 3
9
0
7
4
15
8
1 33
7 2 3
0 5 1
873
36
57
3 11
7 2 3 2
2 5 1 4
8
4
1
2
1
9
1
9
3
8
14
18
42 1 0
4
325
7 2 3 1
2 1 1 4
33 4
52
56
15
42
18
11 1 31 1 0
7 2 3 1
0 0 5 4
4
3
4
5
9
0
8
7
3
34
3 2 10