Types of number worksheets, practice questions and answers. Types of Number Worksheet 1 is a finding factors exercise. Types of Number Worksheet 2 factors one to twelve. Types of Number Worksheet 3 using venn diagrams to find factors. Types of Number Worksheet 4 finding the highest common factor of two numbers. Types of Number Worksheet 5 listing the lowest common multiple. Types of Number Worksheet 6 calculating the highest common factor. Types of Number Worksheet 7 working out the prime factorisation. Types of Number Worksheet 8 working out prime factors. Types of Number Worksheet 9 working out prime factorisation. Types of Number Worksheet 10 mixed word problems.
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 are arranged as dots in a right angle triangle. Triangle numbers can also be arranged as small equilateral triangles.
The image below shows the list of the first 9 triangle numbers.
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.
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.