Factors
List all the factors of the number 14.
1, 14
2, 7
List the first 4 multiples of 3
3,6,9,12
Is the number 7 Prime or Composite? Explain how you know.
Prime because it only has 2 factors... 1,7.
List the first 8 numbers in the pattern. The rule is Add 10. The first term is 20.
20, 30, 40, 50, 60, 70, 80, 90
Charles was skip counting. He started to count by 8's. He said 8, 16, 24, 32, 40, 48. What number will he say next?
56
Which of these numbers have a factor of 5?
3, 5, 15, 31, 45, 50
5, 15, 45, 50
Which of these numbers is a multiple of 6?
1, 3, 22, 24
24
True or False. 1 is a prime number.
False, 1 is neither.
What are the common factors of 6 and 12
1, 2, 3, 6
Erika knits 18 squares on Monday. She knits 7 more squares each day from Tuesday through Friday. How many squares does she knit on Friday?
45 squares
List all factors of 48
48, 1
2, 24
3,16
4,12
6, 8
True or False. The number 54 is a multiple of 9.
True
Which of these numbers is composite, Explain how you know.
37, 65, 71, 82
65, 82
Find the first 5 terms in the pattern. Rule: add 10, subtract 5. The first term is 11.
11, 21, 16, 26, 21
Brady has a card collection with 64 basketball cards, 32 football cards, and 24 baseball cards. He wants to arrange the cards in equal piles with only one type of card in each pile. How many cards can he put in each pile? Clue: there are 3 answers.
2, 4, or 8 rows
True or False. The number 27 is a factor of 9.
False
What multiple of 7 is also a factor of 7?
7
Is 77 Prime or Composite? Explain.
Composite
What are the common factors of 11 and 77
1, 11
I am a number between 60 and 100. My ones digit is 2 less than my tens digit. I am a prime number. What number am I?
97