Showing posts with label multiplication. Show all posts
Showing posts with label multiplication. Show all posts

Tuesday, August 18, 2015

Multiplication as repeated addition

Dear pupils,

You may try to solve the questions at the following website.

http://www.homeschoolmath.net/teaching/md/multiplication-repeated-addition.php


https://www.splashmath.com/math-vocabulary/algebra/repeated-addition



If for any reason, the website is not working, please ignore it. Otherwise you may google  for 'repeated addition' online.

Thank you.

Cheers,
Mrs Yang

Multiplication as repeated addition

Here we have five groups, and each group has two elephants.
5 × 2 = 10
 
how many
groups
how many
in each group
We can solve
it by adding:
5
×
2
   =    
2 + 2 + 2 + 2 + 2 = 10
“Fivetimestwo elephantsis
ten elephants.”
Here there are three groups, and each group has four dogs.
3 × 4 = 12



 
how many
groups
how many
in each group
We can solve
it by adding:
3
×
4
   =    
4 + 4 + 4 = 12
“Threetimesfour dogsis
twelve dogs.”