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Math net

Made by : Gabriela Barreras y Maria Jose Cardona Topic : multiplication. Math net. Gabriela Barreras Maria José cardona Topic : multiplication. What is multiplication ?.

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Math net

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  1. Made by : Gabriela Barreras y Maria Jose Cardona Topic : multiplication Math net Gabriela Barreras Maria José cardona Topic : multiplication

  2. What is multiplication ? • Multiplication is anOperation of composition is repeatedly adding the first amount as many times as indicated by the second. *Examples: 4 x 3 = 4 + 4 + 4 or like 9 x 2 = 9 + 9 = 18 *You can also paste the multiplication tables in a place where you always seethem like your bedroom or also in notebooks etc. *2x4=8 2x7= 14 2x5=10 2x8=16 2x6=12 2x9=18 …….. Etc

  3. Parts of the multiplication *the terms of The multiplication are factor and product 2x9 =18 The factor and the product *The factor number1 that is the 2 is multiplied by the factor 2 that is 9 and it gives a product that is 18 *Exaples: 3x6= 18 there are many ways to get the sameresult.

  4. !!! !!! !!! !!! !!! Multiplacation in arrays * • When you multiply, think of the multiplication symbol as having the meaning rows of . • The fact 3 x 5 would actually mean “3 rows of 5” • To solve this fact, draw 3 rows of 5 symbols. • 3 rows of 5 equals 15 symbols • 3x5=15 • Symbols arranged in neat rows and columns are called arrays.

  5. Multiplication with fingers • You can also use your fingers to multiply counting and remeberall multiplication tables • It will be easy !!! • Example: multiplication with fingers is easy rememberwhen you use your finger to multiply your hands have to be looking at you or backwards .

  6. Multiplication with a little bit of division Sometimes you need to use division to check your ansers and when you do a division you’ll check it always by doing a multiplication Example: :

  7. How to multiply by two digits? *when you multiply by two digits example : 21 586 x 23 = 586 x23 1758 11720 13478 The zero is because yuo are going to start the decimal number soy you let it there . More examples:

  8. How to multiply by 2 digits in 8 steps Step 1: step 2 : step 3 : step 4 : step 5 : 1 21 21 1 586 586 586 586 x23 x23x23x23x23 --------- ---------- --------- --------- --------- 8 58 1758 1758 20 Don’t forget this children !! step6 step7 step 8 11 11 11 586 586 586 x 23 x 23 x 23 --------------------- 1758 1758 1758 720 720 720 the total is : 2.478 ---------- ----------

  9. Is the same multiply ? Is the same multiply this by this? Or do thisthan do this? Multiply can help you to a lot of things it can do that you dontadd a lot. 256 256 x2 that 256 512 512 Yes is the same Multiplication will always help you in anyway you want .

  10. How to do it ? There are a lot of ways todo it is like addingbut in shortestform and easier exmple. 12 x 2 is like saying 12 + 12 or saying 7 x 2 like 7 + 7 The multiplication is of memory. Where to used ? You can use the multiplication when you have to addsomethingbut or exactcalculation wow? How to used ? If you are going to buysomething in the supermarket or you go to the bank to getmoney or to paysomething

  11. Problemsrelated with multiplication Problem 1 Problem 2 • the thirteen members of the ruiz family went to lunch at crepes and waffles. Eachmemberaskedfor a plate of 5.000 pesos. • Whats the total cost of the family? • 5,000 x13 15.000 + 50.000 65.000 • If eachone of the Gonzales family eats 7 hot dogs and they are 25 members . • How many hot dogs they have eaten in total ? • 25 x7 175

  12. Conclutions: multiplication is involved in our dalily life we can use multiplication for everything  there are also many forms to multiply examples: arays fingers graphs etc  Multiplication helps us because he doesn’t let that we add many times the same number . This is very interesting

  13. Bibliography: Bibliography : google , wikipedia , ideas Gabriela BarrerasMaria Jose Cardona and help of Andres Uribe Multiplication is a good You have to practice it a lot and remember I love you all jaja

  14. Thankfor your attention

  15. Exercise you can do in your house Multiplication by 1 digit Multiplication by 2 digit 78 42 x7 x5 92 57 x3 x9 36 457 x2 x8 • 32 70 • x 41 x 20 • 36 55 • x12 x 49 • 35 18 • x 31 x 12

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