Even/Odd
Are the following numbers even or odd?
22, 84, 100
Even
What is a prime number?
Multiples can also be called what?
Skip Counting
What is prime factoring?
Prime factoring is factoring a number all the way out to just the prime numbers.
What is the identity property?
1 times any number is always 1.
Are the following numbers even or odd?
5, 7, 9, 11
Odd
What is the definition of composite?
A composite number has MORE THAN 2 factors.
Factor X Factor = ?
Product
Prime factor 48.
The prime factors of 48 are
2 x 2 x 3 x 4
What is the zero property?
Any number times zero is zero.
List the first 10 even numbers.
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Are the following numbers prime or composite?
5, 11, 17, 29
Prime
List the factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
Prime factor 72
The prime factors of 72 are
2 x 2 x 2 x 3 x 3
Why are 1 and 0 so different?
They have their own set of rules.
List the first 10 odd numbers
1, 3, 5, 7, 9, 11, 13, 15, 17, 19
Are the following numbers prime or composite?
12, 30, 25, 49
Composite
List the first five multiples of 7.
7, 14, 21, 28, 35
Prime factor 100
The prime factors of 100 are
2 x 2 x 5 x 5
Which property is this?
1 x 4 x 5 = 5 x 4 x 1
Commutative property, because the order is changed but the answer remains the same.
What is the difference between even and odd?
Even can be divided among 2 people. Odd cannot.
What is the difference between prime and composite?
Prime has only two factors- 1 and itself.
Composite has MORE THAN 2 factors.
Which one has a limited amount? Which one can go on forever?
Factors have a limited amount.
Multiples go on forever.
Why do I need to know prime factoring?
Prime factoring is a shortcut. Prime factoring can help simplify fractions. Prime factoring can help find number patterns.
Which property is this?
2 x (3 + 4) = 6 + 8
Distributive property, because the 2 is being distributed to the 3 and 4.