Quickname: 6003

Suitable for K-12 grades: Grade 5 Grade 6

Elementary School, Primary School, Junior High School, Middle School.

Determine if number is prime.

A positive natural number is given. A statement has to be made on whether this is a prime number or explain why it’s not.

A very concrete type of problem, when working with prime numbers in fifth-grade or sixth-grade, to be used as a "do now" bell-ringer activity, anticipatory set, closure exercise. This math problem would also be perfect for a quick assessment tool. The level of complexity can be controlled by selecting several problems and the magnitude of numbers used in the worksheet.

By completing this worksheet successfully, the following milestones can be achieved.

- Multiplication and division concepts will be revised.
- Use divisibility rules to solve the problem.
- Strong concepts of factoring given positive numbers will be achieved through practice.
- The practice of these worksheets will also lay the foundation for factoring integers.
- Provide a basis to achieve a perfect level of understanding the math topics like Prime Factoring.

The number of problems and the number range for the number to be worked on can be chosen. Prime test will be done for given numbers. The number range is up to 100000. The answer key will identify a given number as a prime number and if it’s not a prime number, a factor set of a given number is mentioned as proof or explanation.

Download free printable worksheets for this math problem here. The worksheet contains the problems only, the solution sheet includes the answers. Just click on the respective link.

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- Do these sample worksheets do not really fit?
- Do you need more math worksheets, with a different level of difficulty?
- Would you like to combine different problems on a worksheet and adjust them to your needs?
- As a teacher, you can put together your own worksheets using the automatically generated math problems provided.

You can try it for free! Register here, to create custom worksheets now!

Parameter

Possible values

Number of problems

1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Number range

50, 100, 200, 500, 1000, 2000, 5000, 10000

Greatest factor

no limit, 7, 19, 47, 97

You may pass on the worksheets offered for download on this page to others, but not modify or sell them.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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These informational pages with samples describe math problems that can be combined on custom math worksheets with solutions for home and K-12 school use.

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Please visit the dw math main page for more information!

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