NOTES
Prime and Composite Numbers
Prime Number: a number that has only _______ factors _________ and ________________.
Composite Number: a number that has ___________ than ________ factors.
**The numbers 0 and 1 are neither prime nor composite because:
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Directions:
1) Color all prime numbers RED
2) Color all composite numbers GREEN
3) Color the number that is neither
prime nor composite YELLOW
4) Answer the questions below
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1) How many prime numbers are there between 1 and 10?
2) Which of the following is a composite number 37, 47, 57, 67?
3) How many even prime numbers are between 1 and 5?
4) What is the smallest prime number?
5) How many pairs of prime numbers are there to express 18 as the sum of two prime
numbers?
NOTES
Even and Odd Numbers
Even Number: a number that can be ____________________ divided by ____________.
Odd Number: a number that ___________________ be equally divided by _____________.
Directions:
1) Color all odd numbers ORANGE
2) Color all even numbers GREEN
3) Answer the questions below
0 is neither
even nor odd
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1) Even or Odd? If even, draw a line to show the equal groups.
2) Is the number 23 even or odd? If even, draw a line to show the equal groups.
(Draw a grid similar to the one above)
3) What do you notice about all of the even numbers?
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Writing: After working with these groups of numbers, do you notice any similarities between the groups?
(Use the grids for help)
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