Math Trivia by Grade 7 Davao Del Sur

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MATH TRIVIA OF DAVAO DEL SUR:

MATH TRIVIA OF DAVAO DEL SUR

B1:

B1

Any 4 numbers in order, when the first 2 consecutive numbers are added and then the 3rd and 2nd numbers are subtracted the answer will always be negative 2 .:

Any 4 numbers in order, when the first 2 consecutive numbers are added and then the 3 rd and 2 nd numbers are subtracted the answer will always be negative 2 . Example: 11 + 12 -13 -12 = -2 It needs to be 4 numbers . Step 1 add the first 2 consecutive numbers Step 2 subtract the 3 rd consecutive number Step 3 subtract it again to the 2 nd number. Emman Arrieta

B3 Alfredo Cruz Jr.:

B3 Alfredo Cruz Jr. Did you know that you can have the same number as the answer for every computation Take the number 9 for instance. You thought it was just a typical number. Well not quite...Have you ever noticed that in the nine times tables, all the answers add up to nine? 1 x 9 = 9 (0 + 9 = 9) 2 x 9 = 18 (1 + 8 = 9) 3 x 9 = 27 (2 + 7 = 9) 4 x 9 = 36 (3 + 6 = 9) 5 x 9 = 45 (4 + 5 = 9) 6 x 9 = 54 (5 + 4 = 9)

PowerPoint Presentation:

Place logo or logotype here, otherwise delete this. Did you know that ? Joshua De villa B4 7-DDS Example: 19x1- 1 9 19x2- 3 8 19x3- 5 7 19x4- 7 6 19x5- 9 5 19x6- 11 4 19x7- 13 3 19x8- 15 2 19x9- 17 1 19x10- 19 0 If you multiply 19 from 1 to 10 then the first or second numbers will be odd numbers. If you look at the numbers that are not underlined if you read it will be the numbers 9 to 0

Multiplication Table of 9 Trick:

There is a way to solve for the multiplication table of 9 if you are not able to memorize it. Here’s the example: 9x5=? What you need to do is to subtract 1 from the second factor which is 5. so the answer will be 4 . 9x5= 4_? Now to solve for the second digit, the trick is to answer the question “how many do you need to add to the first digit to make it 9?” In this case, the number is 4 so you need to add 5 . This means that the answer for the second digit is 5. 9x5= _5? So if we combine the two digits, we will get the answer which is 45. if we check it, 9x5 is indeed equals to 45. B5 - Dee,Guilbert Sebastian B. Multiplication Table of 9 Trick

Did you know…….:

Did you know……. That if you multiply 5 to 219,753 your answer will be 1,098,765, and you will get a carry over of 4, 3, 2, 1 consecutively 219,753 5 x 1,098,765 4 3 2 1 Carry over multicant multiplier product B6 JOSE EMMANUEL ELEAZAR

A fact:

A fact Did you know that there can be 1,000 possible combinations with a 3 digit lock? That is if the digits are allowed to repeat. Choose any digit from 0 to 9 as the first digit. Choose another for the 2 nd and 3 rd digit locks. You are allowed to repeat any of the digits if preferred. With this, the formula is: 10 x 10 x 10 = 1000 Made by: Anjelo Gabriel T. Gacutan 7-Davao Del Sur

Did you know… Did you know …. :

Did you know … Did you know …. That there is no highest number. If ever you thought of one, you would always think of that number plus one. Surprisingly, there is no such thing as a “Greatest Number". Let’s say the number you picked is, 999 add 1 or more digits to it, after adding it, the number is bigger than the original number. B8 Guzman, Christopher Villamor

DID YOU KNOW?:

DID YOU KNOW? 12+3-4+5+67+8+9=100 B9 Christian Ellis Jacobsen

Math Trivia:

Math Trivia If you add the numbers one to ten the middle number in the solution is an even number 1+2=3+3=6+4=10+5=15+6=21+7=28+8=36+9=45+10=55 Edrei Longatang 7-DDS O E O O E E E O O E O O E E E O O E O LEGEND: E= EVEN O= ODD If you connect the odd and even Numbers from end to end it will be Similar to each other

Counting numbers are formed with 1 figure example 1 (push figure to upper right and add tail pointing to the right) 2 2 (add another curve from the bottom) 3:

By: Mendoza, Daegan Jesse A. 7-DDS B-11 Counting numbers are formed with 1 figure example 1 ( push figure to upper right and add tail pointing to the right) 2 2 ( add another curve from the bottom) 3

The number of letters in each word in the sentence, “Can I have a large container of donuts right now?” can form the first 10 digits of pi.:

The number of letters in each word in the sentence, “Can I have a large container of donuts right now?” can form the first 10 digits of pi. (3.141592653) Nicdao Lucas Camacho B-12 DDS

Did you know?:

Did you know? If you add the numbers by itself, the sum of the solutions will be the multiplication table of 2 or it will be always even. 1 + 1 = 2 6 + 6 = 12 2 + 2 = 4 7 + 7 = 14 3 + 3 = 6 8 + 8 = 16 4 + 4 = 8 9 + 9 = 18 5 + 5 = 10 10 + 10 = 20 …. 2,4,6,8,10,12,14 ….. B13 Christopher Mari P. Pinpin

DO YOU KNOW THAT IF YOU ADD ALL THE ALPHABETS THE SUM IS 364 WHILE WE CAN USE MILLION AND TRILLION OFF WORDS USING THE 364 ALPHABETS:

DO YOU KNOW THAT IF YOU ADD ALL THE ALPHABETS THE SUM IS 364 WHILE WE CAN USE MILLION AND TRILLION OFF WORDS USING THE 364 ALPHABETS B14 JANMERE S. RIVERA

WHEN YOU MULTIPLY THE NUMBER ITSELF THE PRODUCT WILL BE BY PATERN ODD AND EVEN EXAMPLE: 1 X 1=1 2 X 2=4 3 X 3=9 4 X 4=16 5 X 5=25 …:

WHEN YOU MULTIPLY THE NUMBER ITSELF THE PRODUCT WILL BE BY PATERN ODD AND EVEN EXAMPLE: 1 X 1=1 2 X 2=4 3 X 3=9 4 X 4=16 5 X 5=25 … B15 JOON L. SHIN

DID YOU KNOW?:

4,914,341,924= 2+ 3+4+5+6+7+8+9 DID YOU KNOW? 10 10 10 10 10 10 10 10 When you add the answers of 2 to the 10th power...9 to the 10th power, you will get a sum of 4, 914, 341, 924. B16 GABRIEL SIMON

Did you know?:

Did you know? That the   implicit curve   equation(x 2 +y 2 -1) 3 -x 2 y 3 =0  produces the heart shape . B17 ANTHONY VINCENT VERGARA

B18:

B18

MATH TRIVIA:

MATH TRIVIA Did you know that? The length of your elbow to your wrist is equivalent to the size of your feet . Ada Fatima E. 7- Davao del Sur

Math Trivia:

M a t h T r i v i a When you inverse the digits of 1-100 you will have a pattern that repeats /has sequence. LOOK CAREFULLY. EXAMPLE: 001, 999, 899, 799, 699, 599, 499, 399, 299, 199, 099, 989, 889, 789, 689, 589, 489, 389, 289, 189, 089, …. However, the HUNDREDS digits have the sequence of counting (backwards), then the last 2 (TENS AND ONES) digits are always repeating until the counting in the hundreds digits is already 0. G2 ARAGON, PATRICIA AKANE P. 7- DAVAO DEL SUR

MATH TRIVIA:

MATH TRIVIA If you were to ask to fill a box with a pebble,you start at 8:00 AM and Supposed to finished at Exactly 12:00 NN,What Time are you going to Reach the half of the box? Rules: You Will Start at 8:00 AM you will put pebble Every Minute you will going to DOUBLE the pebble inside the box. G3-Cobarrubias,Ma.Sofia Nikol A. 7-DDS

Did you know that….:

Did you know that…. It will take 988 years to have a date written numerically with only one number repeated thrice. Example: January 1, 3001 = 01/01/01 Thus the cycle will go on until year 3012 and will count a lot more years to repeat the cycle.  G4

"did you know that the number one is the only number that can be balanced"....:

"did you know that the number one is the only number that can be balanced".... G5 Froilan Jean De Luna

G6:

G6

G7 Marikris Gonzaless:

G7 Marikris Gonzaless Did you know that it will take you your whole life to count the fishes in the see and only half of your life to count the people in the world

G8:

G8

Use only four 9’s in an equation to get 100.:

Use only four 9’s in an equation to get 100. You may use two different operations. G9 – Jara, Anne Marie Jennifer R. 7 – Davao del Sur 99 + (9 ÷ 9) = 100

Did you know?:

Any opposite side of a dice add them together is equal to 7 Did you know? Ma. Jobelle Ann 7-DDS G-10

PowerPoint Presentation:

Did you know that… The first number system was discovered in Mesopotamia. The name of the first number system is Mesopotamian Base 60 in 3400 BC. G11- Lindio , Ma. Cassandra M.

G12 Maria Concetta Stefania M. Madrid 7-Davao del Sur:

G12 Maria Concetta Stefania M. Madrid 7-Davao del Sur The number Pi (the ratio of the circumference to the diameter of a circle) can’t be expressed as a fraction, making it an irrational number. It never repeats and never ends when written as a decimal . 3.1415926535897932384626433832795028841971693993751 058209749445923078164062862089986280348253421170679

G13 Magpantay, Frency L. 7 DDS:

G13 Magpantay , Frency L. 7 DDS When the 2 first decimal of (PI)… that is “3.14” is flipped. The result would be If you will observed it is read as PIE.

PowerPoint Presentation:

Among all shapes with the same perimeter a circle has the largest area. MATH TRIVIA: DID YOU KNOW THAT? Merle, Bea Isabel E. 7-DDS G14 Source: http://www.cut-the-knot.org/do_you_know/index.shtml

MATH TRIVIA :

MATH TRIVIA Did you know that? T he first numbers of the first ten multiples of 8 are in order and the second numbers are all even numbers(except that the number 4 is repeated). 8 48 16 56 24 64 32 72 40 80 G15 San Gabriel, Marcyanna Raine S. San Gabriel

The term googleplex is followed by 100 zeros and was invented by a 9 year old boy:

The term googleplex is followed by 100 zeros and was invented by a 9 year old boy G16 EZRAH ANNE Q. ZOLETA

MATH TRIVIA OF DAVAO DEL SUR:

MATH TRIVIA OF DAVAO DEL SUR