Whole numbers Lesson 1

Whole numbers Lesson 1

by Mr. A. Reckley

​What are we covering today?

• Natural numbers/ Counting numbers

• ​Prime & Composite numbers

• ​Square numbers

• ​Cube numbers

• ​A triangular number

• ​Expanded form

• ​Exponential notation

​Whole Numbers

​What are whole numbers?

​The whole numbers are made up of 0 and the set of counting numbers.

​E.g; 1,2,3,4,5,6,7,8,9,.......

​

​What are natural/ counting numbers?

​Numbers that are used to count.

​

​What is a prime number?

​A prime number is any number that only has two factors, itself and 1.

​e.g. 2, 3, 5, 7, 11,

Multiple Choice

Which of these are Prime numbers?

• 1 

• 13

• 20

• 24

Multiple Choice

which of these are not composite numbers?

• 11

• 4

• 10

• 12