Math Vocabulary
The answer to a multiplication equation is called the...
PRODUCT
List all of the factors of 12 in order.
1,2,3,4,6,12
Write the first five multiples of the number 3.
3,6,9,12,15
Is 18 prime or composite? Explain your thinking.
Composite- it has more than 2 factors
1,2,3,6,9,18.
Jared's street address number has ONLY 2 factors. What could be Jared's address number?
a. 12
b. 19
c. 24
b. 19 - IT IS A PRIME NUMBER!
The product of a given whole number and any other whole number? You can find these numbers by skip counting.
MULTIPLE
List all of the factors of 18 in order.
1,2,3,6,9,18
Write the first five multiples for the number 9.
9,18,27,36,45
Is the number 9 prime or composite?
Composite- it has more than 2 factors 1,3,9.
Courtney has 24 photos to arrange on a gallery wall. List all the possible ways that she can arrange them. *Think of arrays!
1,2,3,4,6,8,12,24
8 ways
A whole number greater than 1 that has MORE than 2 factors is called
True or False: The number 24 has 4 factors.
False: 1,2,3,4,6,8,12,24
True or False: 5 is a multiple of 25.
FALSE- it is a factor.
Is the number 2 prime or composite? Explain your thinking.
Prime- it's only factors are 1 and itself.
How many possible arrays can Brad make with 32 stamps?
6 ways!
Factors: 1,2,4,8,16,32
*The amount of factors is the amount of arrays!
A whole number greater than 1 that has EXACTLY 2 factors, 1 and itself is called...
PRIME NUMBER
True or False: The factors of 36 are 1,2,3,4,6,9,12,18,36.
TRUE
True or False: 36 is a multiple of 6.
TRUE- 6x6=36.
True or False: All even numbers are composite.
FALSE- Most even numbers are, but 2 is prime!
Jessica is learning about multiples and factors. She wrote 3 multiples and 3 factors for 15.
Multiples: 15,30,45
Factors: 1,2,3,5,7,15
Is she correct?
No, Jessica is incorrect
2x7=14
Numbers multiplied together to give a product are called....
FACTORS
True or False: The factors of 25 are 25,50,75,100...
It is a multiple of 9. 9x8=72.
Is 450 prime or composite? *Think about the rules we have learned
Levi is learning about multiples and factors. He wrote 3 multiples and 3 factors for 27.
Multiples: 27,54,81
Factors: 1,3,9,27
Is he correct?