How to...
Partition
The history of partitioning
Partitioning is a great way to solve multiplication and addition in this poster I will explain how to partition what it is used for and when to use it. Also it is very fast way to solve large maths problems.
Addition
Partitioning an addition problem
First you need to find your problem I'll use 324 + 641 so to start split a the numbers as shown
300 20 4 600 40 1 Also if you cant split the numbers use a ones tens hundred grid.
Now add 300 + 600 = 900
Then 20 + 40 = 60
And 4 + 1 = 5
Then add all the new answers 900 + 60 = 960
After that 960 + 5 = 965
And that's your answer 324 + 641 = 965
Partitioning an multiplication problem
Ok say we wanted to figure out how to solve 5 x 12
First split 12 into 10 , 2 the go
5 x 10 = 50
5 x 2 = 10
Then 50 + 10 = 60
Here's another example
7 x 8 =
first split 8 into 4 and 4
7 x 4 = 28
7 x 4 = 28
Then 28 + 28 =
Lets use both
Here's another example
7 x 8 =
first split 8 into 4 and 4
7 x 4 = 28
7 x 4 = 28
Then 28 + 28 =
lets do the addition version
20 20 8 8
20 + 20 = 40
8 + 8 = 16
40 + 16 = 56
The end
Thank you for reading I hope you learnt how to partition
By Demi Jonassen