This week in math I learned how to read a micrometer.
The course reading is: 8 mm
the barrel reading is: 0.25 mm
the micrometer reading is: 8.25 mm
Aside from prime factorization, here is a method to find LCM:
list the multiples of both numbers until you reach a common one
example for 100 and 150:
The LCM of 100 and 150 is 300.
here is an alternate method to find GCF:
List ALL factors of both numbers and highlight he greatest one
example for 138 and 102:
The GCF of 138 and 102 is 6
I prefer the prime factorization method offer these two new ones because it’s the one I had most practice with and also because in these ones there’s a lot of listing that would be exhausting to do wi really big numbers.