(KS2, Year 4)
The LessonA positive number is a number greater than zero.
Dictionary DefinitionThe Merriam-Webster dictionary defines a positive number as "numerically greater than zero."
Examples of Positive NumbersA positive number is any number greater than zero. Positive numbers can be any type of number: whole numbers, fractions, or irrational numbers. Some of examples of positive numbers are given below:
How Are Positive Numbers Written?Positive numbers will either have no sign or a plus sign ('+') in front of them. For example, the positive number two can be written as:
Positive Numbers on the Number LineThe image below shows the positive numbers on the number line. Positive numbers are to the right of 0:
Note: 0 is not a positive number. Positive numbers can be fractional, so they can be between the numbers labelled.
Arithmetic With Positive NumbersTwo positive numbers added together give a positive number:
1 + 1 = 2Two positive numbers multiplied together give a positive number:
2 × 2 = 4Two positive numbers divided by each other give a positive number:
4 ÷ 2 = 2
Different Types of Positive NumbersAny number greater than 0 is a positive number, whether the number is an integer or a fraction. The positive integers are the natural numbers:
Negative NumbersA negative number is a number less than zero.
0 Is Not a Positive Number0 is not a positive. Nor is it a negative number.
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