Vocab
Prime numbers are...
A) A number that divides the given number evenly or exactly, leaving no remainder.
B) Numbers greater than 1 that only have two factors, 1 and the number itself.
C) Numbers which are formed by the multiplication of the given number with any number.
D) Numbers that have more than two factors.
E) A set of two factors, which, when multiplied together, give a particular product.
B) Numbers greater than 1 that only have two factors, 1 and the number itself.
Carter lives on a street where all the house numbers are multiples of 6. Name two possible houses numbers between 70 and 80.
Explain.
72 and 78
Multiples of 6 can be divided by 6 without a remainder. 72 ÷ 6 = 12 and 78 ÷ 6 = 13
Determine whether the numbers are factors or multiples of 16.
16, 48
Multiples
55
Composite
Which statement is true?
A) The only factors of 3 are 3 and 1; therefore, 3 is prime.
B) The only factors of 4 are 4 and 1; therefore, 4 is prime.
C) The only factors of 5 are 5 and 1; therefore, 5 is composite.
D) The only factors of 8 are 8 and 1; therefore, 8 is composite.
A) The only factors of 3 are 3 and 1; therefore, 3 is prime.
Multiples are...
A) A number that divides the given number evenly or exactly, leaving no remainder.
B) Numbers greater than 1 that only have two factors, 1 and the number itself.
C) Numbers which are formed by the multiplication of the given number with any number.
D) Numbers that have more than two factors.
E) A set of two factors, which, when multiplied together, give a particular product.
C) Numbers which are formed by the multiplication of the given number with any number.
Determine if each number is prime or composite. Then write all the factors for each number.
19, 33
19 = prime
1, 19
33 = composite
1, 3, 11, 33
Determine whether the numbers are factors or multiples of 16.
1, 2, 4
Factors
5
Prime
Select all equations that have a dividend that is a multiple of 4 and a quotient that is a factor of 18.
A) 8 ÷ 4 = 2
B) 18 ÷ 6 = 3
C) 36 ÷ 3 = 12
D) 48 ÷ 8 = 6
E) 16 ÷ 4 = 4
A) 8 ÷ 4 = 2
and
D) 48 ÷ 8 = 6
Factor Pairs are...
A) A number that divides the given number evenly or exactly, leaving no remainder.
B) Numbers greater than 1 that only have two factors, 1 and the number itself.
C) Numbers which are formed by the multiplication of the given number with any number.
D) Numbers that have more than two factors.
E) A set of two factors, which, when multiplied together, give a particular product.
E) A set of two factors, which, when multiplied together, give a particular product.
Only complete after completing Arrays for 400 and 500!!!
What are all the factor pairs for 36? Is 36 prime or composite?
1 and 36
2 and 18
3 and 12
4 and 9
6 and 6
36 is composite
Determine whether the numbers are factors or multiples of 16.
8, 16
Factors
99
Composite
Which numbers are the factors of 30 and are also a prime number.
A) 1
B) 2
C) 3
D) 5
E) 15
F) 30
B) 2
C) 3
D) 5
Factors are...
A) A number that divides the given number evenly or exactly, leaving no remainder.
B) Numbers greater than 1 that only have two factors, 1 and the number itself.
C) Numbers which are formed by the multiplication of the given number with any number.
D) Numbers that have more than two factors.
E) A set of two factors, which, when multiplied together, give a particular product.
A) A number that divides the given number evenly or exactly, leaving no remainder.
Only complete after completing Arrays for 500!!!
How many factors are there for 36? Write them. What do you notice about the number of factors and the number of arrays?
9 factors
1,2,3,4,6,9,12,18,36
The number of factors is the same as the number of arrays.
Determine whether the numbers are factors or multiples of 16.
32, 64
Multiples
23
Prime
Which lists all the factors of 25 that are also prime?
A) 1,25
B) 5
C) 1,10,25
D) 5,25
B) 5
Composite numbers are...
A) A number that divides the given number evenly or exactly, leaving no remainder.
B) Numbers greater than 1 that only have two factors, 1 and the number itself.
C) Numbers which are formed by the multiplication of the given number with any number.
D) Numbers that have more than two factors.
E) A set of two factors, which, when multiplied together, give a particular product.
D) Numbers that have more than two factors.
Courtney has 36 photos to arrange on a gallery wall.
How many arrays can Courtney make with the 36 photos? List all the possible arrays.
9 arrays
1x 36
36 x 1
2 x 18
18 x 2
3 x 12
12 x 3
4 x 9
9 x 4
6 x 6
Write 3 multiples and 3 factors for 24.
Multiples
48,72,96
Factors
1,2,3
1
Neither because it has only one factor... itself.
Select all the true statements.
A) 33 has more than two factors
B) All the factors of 34 are even numbers
C) 35 has exactly two factors
D) 3 is a factor of 36
E) 37 is a prime number
F) 38 is a composite number
A) 33 has more than two factors
D) 3 is a factor of 36
E) 37 is a prime number
F) 38 is a composite number