GCF and LCM
Nora has two pieces of thread, one 20 feet long and the other 16 feet long. For a sewing project, she needs to cut them up to produce many pieces of thread that are all of the same length, with no thread left over. What is the greatest length, in feet, that she can make each piece?
4 feet
Express the prime factorization of 72 in exponential notation.
23 x 32
Find the square root of 676
26
4 x (-2) + 8 - (-4)
4
Aiden's hens lay eggs in groups of 6. Meanwhile, Elise's hens lay eggs in groups of 10. If both chicken farmers were able to collect the same number of eggs from their chickens this week, what is the minimum number of eggs that could have been laid for each farmer?
30 eggs
Express the prime factorization of 120 in exponential notation.
23 x 3 x 5
Find the cube root of 729
9
(-3) x (-6) + 4 / (-2)
Meg is buying screws and bolts at a local hardware store. The store sells screws in packs of 4 and bolts in packs of 8. If Meg wishes to buy the same number of screws and bolts, how many packs of each will she need?
1 pack of bolts
2 packs of screws
Express the prime factorization of 117 in exponential notation.
32 x 13
42
(-3)(-4)(5)(-1)
-60
GCF of 36, 40, and 56
GCF = 4
Express the prime factorization of 560 in exponential notation.
24 x 5 x 7
What is the cube root of 2500
50
(4 + -2 + 8) / (-15 + 10)
LCM of 6, 15, and 40
LCM = 120
Express the prime factorization of 1001 in exponential notation.
7 x 11 x 13
What is the fifth root of 243
3
(-4)5
-1024