Types of Number Worksheets – New & Engaging

Types Of Number Worksheets – New & Engaging

Types of Number Worksheets

What Are Triangle Numbers?

Triangle numbers are a special type of number.  Triangle numbers are also called triangular numbers. Triangular numbers start from 1 and increase incrementally. The second triangular number is 3. The third triangle number is 6.

triangle numbers 1

Triangle numbers are arranged as dots in a right angle triangle. Triangle numbers can also be arranged as small equilateral triangles.

triangle numbers 2

The image below shows the list of the first 9 triangle numbers.

triangle numbers 3

What Is A Prime Number?

A prime number has two factors, one and itself. For example 3 has factors 1 and 3. 4 has factors 1, 2 and 4. Therefore 3 is prime number whereas 4 is not a prime number. Number that are not prime are known as composite numbers. The image below shows prime numbers highlighted in green. 5 is a prime number, however 6 is a composite number.

prime numbers 2

prime numbers 3

List of Prime Numbers

The image below shows a grid of prime numbers between 1 and 100. 2 is the only even prime number. 2 is also the smallest prime number. 1 is not a prime number since it only has one factor, 1. The highest prime number is 97. The prime numbers have been shaded yellow.

list of prime numbers

For Prime Numbers Cazoomy Worksheets try: Prime Numbers Worksheets. For Highest Common Factor Cazoomy Worksheets try: Highest Common Factor Worksheets. For Lowest Common Multiple Cazoomy Worksheets try: Lowest Common Multiple Worksheets.