Greatest Common Factor
List the factors of 30
1, 2, 3, 5, 6, 10, 15, 30
4 x 9
36
72 '/, 9
8
Find the G.C.F. of 12 and 15
3
25 x 81
2,025
275 '/, 25
11
Put 4/12 into simplest form
1/3
194 x 18
3,492
Evelyn has 52 pencils to give out to 5 friends. How many does each friend get, and, if any are left over, how many does she keep for herself?
52 '/, 8 = 6 with 4 left over for herself
Isabella spend 5/7 of an hour drawing a picture, and 2/7 of an hour drawing a border for the picture. In all, how long did she spend on the drawing, in simplest form.
7/7 = 1 hour
53 students from each of 32 different schools signed up for a multi-classroom project. How many total students signed up for the project?
1,696
A farmer equally divided 672 bales of hay among 3 pastures. How many bales of hay are in each pasture?
224 bales of hay
Simplify: 30/105
GCF = 15.
30 '/, 15 = 2
105 '/, 15 = 7
2/7
A store sold 5 cameras for $286 each. How much did the store make on all 5 cameras?
$1,430
Anthony stores 8 comic books in one bag. He has 533 comic books. How many bags does he need?
67 bags. (66 w/ a remainder of books left over, so he needs 1 extra bag.)