Unit 1 Review Period 2
Factor Pairs 1.List all the factor pairs for 36. Do not use the number 1 in any of your factor pairs.
#1 Answer Answer: 2x1818x2 3x1212x3 4x99x4 6x6
Prime & Composite 2. Explain what a prime number is and give an example. 3. Explain what a composite number is and give an example.
#2 and #3 Answers 2. A prime number has exactly two factors, one and itself. 7 is a prime number. 3. A composite number has more than two factors. 28, 36 and 100 are composite numbers.
Factor Captor 4. What is a good move for you to make in the factor captor game? Why?
#4 Answer A good move is a prime number or a number that does not have many factors. If you choose a prime number you get that amount of points and your partner only gets 1 if it is uncovered. It is always a good first move if you get more points than your opponent.
Prime Factorization 5. What is the prime factorization of 48? Write your answer in expanded and exponential form.
#5 Answer 2x2x2x2x3
Exponential Notation Fill in the missing numbers. 6. = ____ 7. = ____ 8. 9x9= = x10=
#6-10 Answers
Divisibility Rules Make sure to study all of the rules! 11. Create a number that is greater than 100 and divisible by Create a number greater than 100 that is divisible by 6.
#11 & #12 Answers , 105, 132 (Make sure the sum of the digits is divisible by 3) , 108; 114 (The sum of the digits should be divisible by 3 and it should end in an even number)