6th grade homework for Thursday February 7th, 2013

Good afternoon to all of you!

I hope you are all doing well! :)

Your homework for tomorrow is the following:

Find the value (solve) of each expressions:
42) 7(1.2) + 7(0.5)
43) 3(4+5) + 2(4+5)
44) 5(0.25 x 40)

Bonus:
You can write "twelve less than a number" as "n - 12", but not as "12 - n". EXPLAIN WHY.

Have a great afternoon! See you all tomorrow!