Prime Number Investigation

Student Name: ______Your Number: ______

Your number is ______

Your task is to make a poster showing:

  • a chart of the numbers 1 to 100, with the prime numbers highlighted
  • a list of 10 composite numbers
  • a factor tree of your number
  • the prime factors of your number
  • the index notation of your number

For high marks, you need to get the answers correct and set out your poster neatly. Make sure that your name is on your poster! Please turn over to see how this assignment will be graded.

Math - Problem Solving : Prime Number Investigation
Teacher Name:
Student Name: ______
CATEGORY / 4 / 3 / 2 / 1
Neatness and Organization / The work is presented in a neat, clear, organized fashion that is easy to read. / The work is presented in a neat and organized fashion that is usually easy to read. / The work is presented in an organized fashion but may be hard to read at times. / The work appears sloppy and unorganized. It is hard to know what information goes together.
Prime Number Chart / All prime numbers are correctly identified on the chart. / Most of the prime numbers are correctly identified on the chart, but there are 1-3 errors. / Many of the prime numbers are correctly identified on the chart, but there are 4-6 errors. / Few prime numbers are correctly identified on the chart because there are more than 6 errors
Factor Tree / The factor tree is accurate and is clearly presented. / The factor tree is accurate, but it not clearly presented. / The factor tree has some mathematical errors, but is presented in the correct format. / The factor tree is not present.
Factor Notation / The factors are expressed accurately in both index and expanded notation. / The factors are expressed accurately in either index or expanded notation but not both. / Only one form of factor notation is included. / The factors are not expressed in either index or expanded notation.
Composite Numbers / 10 or more composite numbers are included. / 9-8 composite numbers are included. / 7-6 composite numbers are included. / 5 or fewer composite numbers are included.

Mark: _____/20

Grade: ______