1.1.3

Negative Numbers

Test yourself

Negative Numbers

Negative numbers are shown with a minus sign in front (e.g. -3). Negative numbers are less than zero while positive numbers are greater than zero.

Illustrative background for Number lineIllustrative background for Number line ?? "content

Number line

  • The number line above shows the first three negative numbers (-1, -2 and -3) and the first three positive numbers (1, 2 and 3).
  • Positive numbers are always greater than negative numbers.
  • 0 is called the origin and is not positive or negative.
Illustrative background for Adding negative numbersIllustrative background for Adding negative numbers ?? "content

Adding negative numbers

  • Adding a negative number is the same as subtracting a positive number.
    • 5 + (-3) = 5 - 3 = 2
Illustrative background for Subtracting negative numbersIllustrative background for Subtracting negative numbers ?? "content

Subtracting negative numbers

  • Subtracting a negative number is the same as adding a positive number.
    • 5 - (-3) = 5 + 3 = 8
Illustrative background for Multiplying by negative numbersIllustrative background for Multiplying by negative numbers ?? "content

Multiplying by negative numbers

  • Positive × positive = positive
  • Negative × negative = positive
  • Positive × negative = negative
Illustrative background for Dividing by negative numbersIllustrative background for Dividing by negative numbers ?? "content

Dividing by negative numbers

  • Positive ÷ positive = positive
  • Negative ÷ negative = positive
  • Positive ÷ negative = negative

Jump to other topics

1Proof

2Algebra & Functions

2.1Powers & Roots

2.2Quadratic Equations

2.3Inequalities

2.4Polynomials

2.5Graphs

2.6Functions

2.7Transformation of Graphs

2.8Partial Fractions (A2 Only)

3Coordinate Geometry

4Sequences & Series

5Trigonometry

6Exponentials & Logarithms

7Differentiation

8Integration

9Numerical Methods

10Vectors

Go student ad image

Unlock your full potential with GoStudent tutoring

  • Affordable 1:1 tutoring from the comfort of your home

  • Tutors are matched to your specific learning needs

  • 30+ school subjects covered

Book a free trial lesson