We have designed prime and composite numbers charts keeping certain learning requirements in mind.

What do prime and composite number 1-100 charts offer? In this post, we have provided you with prime and composite numbers printable PDF charts to learn and practice.

One such classification is prime and composite numbers. Going further, numbers do acquire different names, depending upon how these can be broken down into smaller parts. In pre-primary days, they learn about odd number, even number, dodging number, etc. What?!!! Yes, it is perhaps the first reaction you may receive from a child. The real struggle starts when somebody tells you that these numbers have got the types too. Post the completed chart for a handy prime number reference tool!įor further information about this system developed by Eratostheneses, click here.Read and write the numbers, and then perform operations like addition and subtraction. Finally, we took brown and outlined the number 7 box, and then every seventh box after it that has not already been colored in. We took a purple crayon and outlined the box around number 5, and continued on to color every 5th number not already colored in. Outline the box around number 3, and then fill in every third box that is not already filled in.Ĥ. We then look over the entire chart and color In the other numbers that divide by 2 (all multiples of 2).ģ. Next, we took the a greenish crayon and outlined the box around number 2. Not only is 1 an odd number, but we also eliminate him first from our prime number chart. There are numerous hundreds charts to choose from on the web, but all you need is a simple one. All numbers on the hundreds chart NOT colored in are the prime numbers.įirst, print out a hundreds chart. When we get done with this activity, many of the numbers on the hundreds chart will be colored in. I don't know if Eratostheses was a 'kid guy', but he might have been-This method is really fun for kids!Īll you need is a hundreds chart and colored pencils or crayons. Thankfully for us, Greek mathematician Eratosthenes was really smart and created a handy system for finding all the prime numbers, over a limited range.

I wanted to give her a good visual picture of what prime numbers are. My daughter is learning what prime numbers are in her math curriculum. A prime numbers are numbers greater than one that cannot be divided by any other number except themselves and one.

List of prime numbers to 100 chart