Prime or Composite? | Plant a Tree | LCM or GCF? | What Do They Have in Common? | Order of Operations |
---|---|---|---|---|
composite
Is the number 62 a prime or composite number?
|
13
Create a factor tree for the number 13.
|
GCF
Serena wants to create snack bags for a trip she is going on. She has 6 granola
bars and 10 pieces of dried fruit. If the snack bags should be identical without any food left over, what is the greatest number of snack bags Serena can make? |
GCF = 2
What is the greatest common factor of 2 and 4?
|
30
6 + 4 x 6
|
composite - 1, 7, 49
Is the number 49 a prime or composite number? What are its factors?
|
2 x 2 x 2 x 2 x 2 x 5 = 2^5 x 5
What are the prime factors of 160?
|
GCF
Nathan is stocking bathrooms at the hotel where he works. He has 18 rolls of
toilet paper and 9 bars of soap. If he wants all bathrooms to be stocked identically, with the same combination of supplies in each one and nothing left over, what is the greatest combination of bathrooms Nathan can stock? |
LCM = 30
What is the least common multiple of 6 and 15?
|
10
5 + 3 x 3 - 4
|
composite - 1, 2, 4, 8, 16, 32
List the factors of the number 32. Is it a prime or composite number?
|
3 x 5 x 5
Create a factor tree for the number 75.
|
LCM
Edeena is packing equal numbers of apple slices and grapes for snacks. Edeena
bags the apple slices in groups of 18 and the grapes in groups of 9. What is the smallest number of grapes that she can pack? |
GCF = 12
What is the greatest common factor of 24 and 36?
|
13
(3 - 1)^2 x 3 + 1
|
prime - 1, 17
List the factors of the number 17. Is it a prime or composite number?
|
2^9
What are the prime factors of the number 512?
|
LCM
Wilma is thinking of a number that is divisible by both 17 and 8. What is the
smallest possible number that Wilma could be thinking of? |
LCM = 550
What is the least common multiple of 25 and 22?
|
2
(sqrt16 x 4 ÷ 2) ÷ 2^2
|
2, 19, 31, 43
Which of the following numbers are prime: 2, 19, 21, 28, 31, 43, 55?
|
2 x 2 x 3 x 11 = 2^2 x 3 x 11
What are the prime factors of the number 132?
|
LCM
Matthew goes hiking every 12 days and swimming every 6 days. He did both
kinds of exercise today. How many days from now will he go both hiking and swimming again? |
GCF = 14, LCM = 84
What are the greatest common factor and least common multiple of 14 and 84?
|
13.5
sqrt(31 + 10 ÷ 2) + 3 x 2.5
|