Squaring of numbers between 50-60 (A Small Video)

Squaring of a number ending with 5 using Speed Maths Method (Video)

Fractions, Decimals and Percentage

Number	Fractional Value	Decimal Value	Percentage
With 2	1/2	0.5	50%
With 3	1/3 2/3	0.3333 0.6666	33.33% 66.66%
With 4	1/4 2/4 3/4	0.25 0.5 0.75	25 50% 75%
With 5	1/5 2/5 3/5 4/5	0.2 0.4 0.6 0.8	20% 40% 60% 80%
With 6	1/6 2/6 3/6 4/6 5/6	0.1666 0.3333 0.5 0.6666 0.8333	16.66% 33.33% 50% 66.66% 83.33%
With 7	1/7 2/7 3/7 4/7 5/7 6/7	0.142857 0.285714 0.428571 0.571428 0.714285 0.857142	14.28% 28.57% 42.85% 57.14% 71.42% 85.71%
With 8	1/8 2/8 3/8 4/8 5/8 6/8 7/8	0.125 0.25 0.375 0.50 0.625 0.75 0.875	12.5% 25% 37.5% 50% 62.5% 75% 87.5%
With 9	1/9 2/9 3/9 4/9 5/9 6/9 7/9 8/9	0.1111 0.2222 0.3333 0.4444 0.5555 0.6666 0.7777 0.8888	11.11% 22.22% 33.33% 44.44% 55.55% 66.66% 77.77% 88.88%

 

Multiplication of numbesr with a series of similar digits in multiplier

Criss-Cross System of Multiplication for 2 Digit numbers

Finding Amount in one's Pocket (Funny Maths)

1. Ask the audience to consider amount in his pocket. (Only Rupees not paisa)
2. Add 5 to it.
3. Multiply the answer by 5
4. Double the answer
5. Ask the audience to add any one favorite  number between 0 to 9.
6. Finally Add 10 to answer.

Example:
1. Ask the audience to consider amount in his pocket. (Only Rupees not paisa) (100)
2. Add 5 to it. (100+5=105)
3. Multiply the answer by 5 (105 * 5 = 525)
4. Double the answer (525 *2=1050)
5. Ask the audience to add any one favorite  number between 0 to 9. (1050+1=1051)
6. Finally Add 10 to answer. (1061)

Solution:
Discard the unit digit. (in above example from 1061 discard 1)
From the remaining digit subtract 6. (106-6=100...That's Answer)

Subtraction using the rule ‘All from 9 and last from 10’ (used for power of 10)