Cikgu Corner

Sequential Inputs of numbers with 8
1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321


Sequential 1's with 9
1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 = 11111
12345 x 9 + 6 = 111111
123456 x 9 + 7 = 1111111
1234567 x 9 + 8 = 11111111
12345678 x 9 + 9 = 111111111
123456789 x 9 + 10 = 1111111111


Sequential 8's with 9
9 x 9 + 7 = 88
98 x 9 + 6 = 888
987 x 9 + 5 = 8888
9876 x 9 + 4 = 88888
98765 x 9 + 3 = 888888
987654 x 9 + 2 = 8888888
9876543 x 9 + 1 = 88888888
98765432 x 9 + 0 = 888888888


Numeric Palindrome with 1's
1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
111111 x 111111 = 12345654321
1111111 x 1111111 = 1234567654321
11111111 x 11111111 = 123456787654321
111111111 x 111111111 = 12345678987654321


Without 8
12345679 x 9 = 111111111
12345679 x 18 = 222222222
12345679 x 27 = 333333333
12345679 x 36 = 444444444
12345679 x 45 = 555555555
12345679 x 54 = 666666666
12345679 x 63 = 777777777
12345679 x 72 = 888888888
12345679 x 81 = 999999999


Sequential Inputs of 9
9 x 9 = 81
99 x 99 = 9801
999 x 999 = 998001
9999 x 9999 = 99980001
99999 x 99999 = 9999800001
999999 x 999999 = 999998000001
9999999 x 9999999 = 99999980000001
99999999 x 99999999 = 9999999800000001
999999999 x 999999999 = 999999998000000001
......................................


Sequential Inputs of 6
6 x 7 = 42
66 x 67 = 4422
666 x 667 = 444222
6666 x 6667 = 44442222
66666 x 66667 = 4444422222
666666 x 666667 = 444444222222
6666666 x 6666667 = 44444442222222
66666666 x 66666667 = 4444444422222222
666666666 x 666666667 = 444444444222222222
......................................

Mathematics is ...

“Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.” -- Bertrand Russell

“Mathematics is made of 50 percent formulas, 50 percent proofs, and 50 percent imagination.”

“Mathematics is the art of giving the same name to different things.” -- J. H. Poincare

“Philosophy is a game with objectives and no rules. Mathematics is a game with rules and no objectives.”

"Mathematics is a game played according to certain simple rules with meaningless marks on paper." -- David Hilbert

"Mathematics consists in proving the most obvious thing in the least obvious way." -- George Polya

"In mathematics, you don't understand things. You just get used to them." -- Johann von Neumann





"A tragedy of mathematics is a beautiful conjecture ruined by an ugly fact.”

“Mathematics is like love; a simple idea, but it can get complicated.”

"If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is."

“Mathematics is like checkers in being suitable for the young, not too difficult, amusing, and without peril to the state.” -- Plato

"The essence of mathematics is not to make simple things complicated, but to make complicated things simple." -- S. Gudder

"There are two ways to do great mathematics. The first is to be smarter than everybody else. The second way is to be stupider than everybody else -- but persistent." -- Raoul Bott

"Obvious is the most dangerous word in mathematics." -- E.T. Bell





"Arithmetic is being able to count up to twenty without taking off your shoes." -- Mickey Mouse

"The greatest unsolved theorem in mathematics is why some people are better at it than others." -- Adrian Mathesis

"Mathematics is not a deductive science – that's a cliché. When you try to prove a theorem, you don't just list the hypotheses, and then start to reason. What you do is trial and error, experimentation, guesswork." -- Paul Halmos

“The different branches of Arithmetic are Ambition, Distraction, Uglification, and Derision.” – Lewis Caroll

"Mathematics is written for mathematicians." – Copernicus

"Mathematics should be fun." -- Peter J. Hilton

"Small minds discuss persons. Average minds discuss events. Great minds discuss ideas. Really great minds discuss mathematics."
"But in the new (math) approach, the important thing is to understand what you're doing, rather than to get the right answer." -- Tom Lehrer

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