As part of finding the numbers 1- 20 using only four 4's . We were introduced to Factorials.
Factorials use the exclamation mark (!)
ie 4!
a " factorial of n items gives you the number of ways you can arrange the given items."
So 4! means = 4 x 3 x 2 x 1 = 24
For example: If there are two coins - you can arrange them in two different ways - like wise if you have 3 coins - there are 6 ways you can arrange them.
If you have four coins you can arrange then in ___ ways?
one whole then its half then its quarters and then its done then its the cookies and its the same BY SARA
ReplyDeleteI learn at maths how to do fractions and I learn how to do lots of other thing like doubling numbers what my number and family of facts, bar models.
ReplyDelete