Factors
List all the factors of 36.
1,2,3,4,6,9,12,18,36
Numbers that include all the rational numbers plus numbers that cannot be written as fractions i.e. irrational
numbers.
Real numbers
True or false: 3.5 is an integer.
False.
True or false? Pi is an irrational number.
True
The only prime number that is even
2
Find all of the factors of 52
1, 2, 4, 13, 26, 52
True or false.
The number 63 is a prime number.
false.
What is a rational number?
A rational number is any number that can be written in fraction form.
What is an irrational number? Give one example.
An irrational number is a number that has a non-terminating and non-repeating decimal. Example: Pi or the square root of a non-perfect square or a decimal like 4.12614...
Prime numbers have two factors. What are the 2 factors?
itself and one
I am thinking of a number. It is an odd number. It less than 50 but greater than 30. It is also a squared number.
49
The number sixteen (16) is a square and natural number.
true.
True or false: -2 is a rational number, integer, and whole number.
False. (It is a rational number, and integer, but it is not a whole number.)
What can 3.4683748763872647937.... be classified as?
An irrational number.
All are prime numbers except 17, 29, 47, 63
63
List all the prime factors of 30.
2, 3 and 5.
DOUBLE JEOPARDY
All prime numbers are odd numbers.
True or false.
Bonus: If false, list the even number(s) that is/are prime.
false.
2.
What are whole numbers?
Whole numbers include all the counting or natural numbers and zero.
Is 0.33' an irrational number?
No (it never ends BUT it repeats so it's rational)
How many prime numbers between 7 and 17?
2
What is the product of prime factors for 120?
23 x 3 x 5
True or False
All natural numbers are whole numbers BUT not all whole numbers are natural numbers.
True.
Is the square root of 49 rational and an integer?
Yes
Is an integer an irrational number?
No
The next number in the sequence is 2,3,5,7,9, ?
11