4. Vedic Math trick # 1
Shortcut Multiplication with Numbers closer but less than 100
99 1 97 3 94 6
x 98 2 x 98 2 x 96 4
97 0 2 95 0 6 90 24
Step 1: Take the difference with 100
91 9 Step 2: Multiply the difference
x 92 8 Step 3: After Multiplying the difference
if the answer is a single digit then pu
8372 a ‘0’ before the answer .
Step 4: Diagonally subtract the number
with the difference
5. Vedic Math trick # 1
Shortcut Multiplication with Numbers closer but less than 100
1) 95 5 2) 98 2 3) 92 8 4) 93 7
x 99 1 x 94 6 x 99 1 x 97 3
94 0 5 92 12 91 08 90 21
5) 91 9 6) 96 4 7) 94 6 8) 97 3
x 92 8 x 95 5 x 91 9 x 91 9
83 72 91 20 85 54 88 27
Step 1: Take the difference with 100
Step 2: Multiply the difference
Step 3: After Multiplying the difference
if the answer is a single digit then put
a ‘0’ before the answer .
Step 4: Diagonally subtract the number
with the difference
9. Vedic Math trick # 2
Shortcut Multiplication with Numbers closer but greater than 100
102 2 105 5 109 9
x 101 1 x 107 7 x 102 2
103 0 2 112 35 111 18
Step 1: Take the difference with 100
Step 2: Multiply the difference
Step 3: After Multiplying the difference
if the answer is a single digit then put
a ‘0’ before the answer .
Step 4: Diagonally Add the number
with the difference
10. Vedic Math trick # 2
Shortcut Multiplication with Numbers closer but greater than 100
1) 103 3 2) 102 2 3) 109 9 4) 108 8
x 104 4 x 104 4 x 105 5 x 107 7
107 12 106 0 8 114 45 115 56
Step 1: Take the difference with 100
Step 2: Multiply the difference
Step 3: After Multiplying the differenc
if the answer is a single digit then p
a ‘0’ before the answer .
Step 4: Diagonally Add the number
with the difference
12. Form a NEW triangle that points down but moving only 3 coins only
1 1
2 3 7 2 3 10
4 5 6 4 5 6
7 8 9 10 7 8 9 10
1
13. 1) A pond contains a colony of bacteria. Every day every bacterium doubles . If
it covers half the pond in 10 days then in how many days the pond will be
completely covered by bacteria?
Ans: 11 days
2) Which is more heavier: 1 kg cotton or 1 kg Iron?
Ans: since both are 1 kg both are equal by weight.
15. Vedic Math trick # 3
Shortcut Multiplication with 11
123 x 11 =135 3
412 x 11 = 4 532
5312 x 11 = 58 432
Step 1: put two dots at the extreme end
Step 1: keep on adding digits from righ
forming a chain
16. Vedic Math trick # 3
Shortcut Multiplication with 11
1)321 x 1131
35 =
2) 214 x 11 54
23 = Step 1: put two dots at the extreme
3)2314 x 11 454
25 = Step 1: keep on adding digits from ri
forming a chain
4)162 x 118 2
17 =
18. Vedic Math trick # 4
Multiplication of any two digit number with any two digit number
3 + 4 4 + 2
32 12 1)
x 21 x 14
6 72 1 68
2) +
4 + 3 6 + 12
13 26
x 14 x 23
3)
1 1
18 2
1
59 8
19. Vedic Math trick # 4
Multiplication of any two digit number with any two digit number
Class Work :
1) 13 2) 62 3) 43 4) 51
x 21 x 12 x 14 x 31
2 73 7 44 6 02 15 8 1
5) 15 6) 34 7) 26 8) 31
x 13 x 41 x 21 x 12
1 95 13 9 4 5 46 372
21. Put the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 in the bubbles so that each
side adds up to the same thing.
22. Four people have to cross a bridge... It's very dark and they only have one
flashlight... They can't make it across without some light.
No more than two people can cross at a time.
Ashok can cross the bridge in 1 minute.
Karan can cross in 2 minutes.
Hakim can cross in 5 minutes.
Ramesh can cross in 10 minutes.
How can they all get across in 17 minutes?
First, Ashok and Karan go across with the flashlight A 1
2 min A
A
(2 minutes are now used up.)
Karan takes the flashlight back across to the others K 2 min K
K
(4 minutes are now used up.) H
10 min
R
Hakim and Ramesh go across with the flashlight
(14 minutes are now used up.)
Ashok takes the flashlight back to the other side
(15 minutes are now used up.)
Karan and Ashok cross for the last time
(17 minutes are now used up.)
