Factors
List all the factors of 10
1, 2, 5, 10
Selects all the numbers that have a factor of 2.
34, 57, 21, 40, 49, 22
34, 40, and 22
Alex was arranging a picture frame made up of 60 individual photos. Identify all of the possible arrangement shown.
6 rows of 10 --- 30 rows of 2 --- 50 rows of 5----
9 rows of 7 .... 60 rows of 1
6 rows of 10
30 rows of 2
60 rows of 1
2, 4, 6, and 8.
Eli was skip counting with his brother. He started by counting by 6's. He said 6, 12, 18, 24, 30, 36. What number will Eli say next?
42
What multiple of 5 is also a factor of 5?
5
Identify the numbers below that are divisible by 5 and 2.
55, 30, 25, 60, 42, 37.
30 and 60
List all of the factors pairs of 24.
1 x 24
2 x 12
3 x 8
4 x 6
1, 2, 4, and 8.
Skye wrote the number 30. The rule is to add 4. What is the fifth number in Skye's pattern?
30, ___, ___, ___, ___
46.
A number is ______ when it has exactly two factors. (1 and itself).
For example, 7 and the factors are 7 x 1
prime
Identify the numbers that are divisible by 6 and 9.
36, 9, 54, 18, 84, 72.
36, 56, 18, 72.
How do you know 10 is a composite number?
It has 2 factor pairs,
10 x 1 and 5 x 2
Cougar Kids are planning to cultivate the school's garden. They are going to plant 24 sunflowers, 32 basil leaves, and 36 carrots. Each row will only have one type of plant per row. Jett says he can put 6 plants in each row. Is he correct? Why or why not?
No, because 6 is not a common factor of 24, 32, and 36. He could say 1, 2, or 4 plants in each row.
Nicky is having a barbecue at his house. Hot dogs are sold in packs of 10 and hot dog buns are sold in packs of 8. What is the least number of hot dogs with buns that Nicky can make WITHOUT any supplies left over.
40.
Identify if the numbers listed below are either prime or composite.
37, 19, 63, 23, 32.
37- prime
19- prime
63- composite
23- prime
32 composite
How do you know 72 can be divided by 3?
If you add 7+2 = 9
9 divided by 3 = 3. That means you can divide by 3.
Fernando wants to make a rectangular patio of 25 tiles. How many different rectangles can Fernando make with 25 tiles?
2 rectangles.
25 x 1 and 5 x 5
Mrs. West has 30 fiction books, 24 non-fiction, and 21 biographies on display at the library. She wants to display all of the books in rows. How many books can be in each row?
1 or 3 books.
Use the rule to write the first five numbers of the pattern. Start at the number 7. Add 3 and subtract 5.
7, ___, ____, ___, ____
7, 10, 5, 8, 3.
I am a number between 60 and 100. My ones digit is 2 less than my ten's digit. I am a prime number.
What number is the answer?
97
A number needs to end in ___, ___, ___, ___, or 8 in order to be divided by 2.
0, 2, 4, 6, or 8.
Alexi wants to make a patio with 25 tiles. Cheyenne tells Alexi she can make more rectangles with 24 tiles. Is Cheyenne right? Why or why not.
Cheyenne is right because Alexi could only make 2 different rectangles with 25 tiles. She could make 4 rectangles with 24 tiles.
What are all the common factors of 32 and 48?
1, 2, 4, and 8.
21, 24, 27, and 30 are all multiples of ____.
3