Factors & Multiples
List all the factors for 42.
1, 2, 3, 6, 7, 14, 21, and 42
The rule is subtract 4. What are the next 5 numbers?
36, 32, 28, ____, _____, _____, _____, _____
24, 20, 16, 12, 8
Divide 428 by 4
107
The area of a square is 64 square units. What is its perimeter?
12 units
4
6
7
9
Which of these numbers are prime and which are composite?
Composite: 4, 6, 9
The rule for a repeating pattern is “3, 2, 5, 1.”
What are the next three numbers in the pattern?
3, 2, 5, 1, 3, 2, ____, _____, _____
5, 1, 3
Divide 532 by 5
106 R 2
A bus can carry 25 students per trip. If each bus ride is full, how many students can ride the bus on 5 trips?
125 students
Daysi says that factors and multiples are related. Think about the equation 5 × 8 = 40. Is 5 and 8 factors or multiples of 40.
Factors
Zuena is saving money in her piggy bank. She starts with $66 and decides to save $11 less each week. After the first week, she saves $55, and so on.
How much money will Zuena save for the next 4 weeks?
44, 33, 22, 11
The top 4th grade readers from Hurden Looker Elementary School are going to read to groups of 2nd graders. There are 124 2nd graders. Each 4th grader will read to a group of 4 first graders. How many 4th grade readers will they need?
31 fourth graders
Maya has 3 cases of soda. Jorden has 4 cases of soda. Each case has 12 cans of soda. How many cans do they have in all?
84 cans
List the first 5 multiples of 12.
12, 24, 36, 48, 60
Use the rule “Divide by 4” to continue the pattern.
768, 192, ____, _____
48, 12
Liam divided a number by 4 and got an answer of 720. Write an equation that could be used to check his answer?
4 x 720 = ?
A soccer stadium has 4 sections of seats. Each section has 12 rows, with 12 seats in each row. During a soccer game, one of the sections was entirely filled with fans. How many fans were sitting in this section?
144 fans
What is the difference between factors and multiples?
Factors are the numbers that can be multiplied together to make another number.
👉 Example: The factors of 10 are 1, 2, 5, and 10 because 1 × 10 = 10 and 2 × 5 = 10.
Multiples are what you get when you multiply a number by other numbers.
👉 Example: The multiples of 3 are 3, 6, 9, 12, 15... because 3 × 1 = 3, 3 × 2 = 6, and so on.
Luciano is stacking books by height. Each book is 2 times taller than the last. The first book is 5 inches tall, and the last book is 40 inches tall. Luciano's friend Ezequiel says that every book’s height is an odd number of inches. Is Ezequiel correct?
Ezequiel is not correct because only the first book’s height is odd, and the others are even.
1st book - 5 inches
2nd book - 10 inches
3rd book - 20 inches
4th book - 40 inches
Ms. Tragale puts a total of 360 books on 6 shelves in the library. She puts an equal number of books on each shelf. Write an equation that can be used to find the number of books on each shelf?
360 divided by 6 = ?
Amari has 5 packs of gum with 20 sticks of gum in each pack. If Amari and 3 friends share the gum equally, how many pieces should each person get? Explain your answer or show your work.
Amari and his friends should each get ________ pieces of gum.
Amari and his friends should each get 25 pieces of gum.