Using My Prime Number Chart printable pdf download

Using My Prime Number Chart

Name _____________________________________ Date ____________ Block ____ Log # ____

Using My Prime Number Chart

DIRECTIONS: Use your prime number chart to answer the following questions.

1. List the prime numbers between 60 and 70: ___________________________________

2. List the composite numbers between 70 and 80: _______________________________

3. If a number is a multiple of 7, it will be divisible by ____.

4. Is 126 divisible by 7? ______ How can you tell by looking at your prime number chart?

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5. If a number is a multiple of 13, it will be divisible by _____.

6. Is 182 divisible by 13? How can you tell by looking at your prime number chart?

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7. List the first 7 multiples of 6: ______, ______, ______, ______,______, ______,______

8. Look at these numbers on your prime number chart. How are each of them marked?

Why do you think this is so? ________________________________________________

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9. List all the even prime numbers: ____________________________________________

What do you notice? Why do you think this is so? ______________________________

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10. How can you use your prime number chart to determine if a number is divisible by 15?

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11. Find a number between 131 and 140 that is divisible by 15. _______

Using My Prime Number Chart