Factor Pairs
16
1x16
2x8
4x4
18
2 x 32
8 and 14
56
8 and 10
2
3/5 + 2/3
1 4/15
34
1x34
2x17
15
3x5
18 and 27
54
18 and 42
6
You are creating identical picnic baskets using 30 sandwiches and 42 cookies. What is the greatest number of baskets that you can fill using all of the food?
You can fill 6 baskets
56
1x56
2x28
4x14
7x8
22 x 7
18 and 30
90
36 and 68
2
You have piano lessons every fourth day and guitar lessons every sixth day. Today you have both lessons. In how many days will you have both lessons on the same day again?
You have both lessons on the same day in 12 days.
48
1x48
2x24
3x16
4x12
6x8
60
22 x 3 x 5
3, 6, and 16
48
24, 44, and 52
4
You have 52 inches of yellow ribbon and 64 inches of red ribbon. You want to cut the ribbons into pieces of equal length with no leftovers. What is the greatest length of the pieces that you can make?
The pieces can be 4 inches as most.
84
1x84
2x42
3x18
4x21
6x14
7x12
72
23 x 32
6, 24, and 32
96
68, 76, and 92
4
Hamburgers come in packs of 20 while buns come in packs of 12. What is the least number of packs you should buy in order to have the same numbers of hamburgers and buns?
You will need 3 packs of hamburgers and 5 packs of buns.
(LCM = 60 -> 60/20 and 60/12)