1.1.1
Integers
Place Value
Place Value
When a number is written out in digits, each number has a different value depending on what position it is in.


Hundreds
Hundreds
- The number 1 stands for 100 since it is in the hundreds place.


Tens of thousands
Tens of thousands
- The number 4 stands for 40,000 since it is in the tens of thousands place.


Hundreds of thousands
Hundreds of thousands
- The number 3 stands for 300,000 since it is in the hundreds of thousands place.
Negative Numbers
Negative Numbers
Negative numbers are shown with a minus sign in front (e.g. −4). Negative numbers are smaller than positive numbers.


Number line
Number line
- The number line above shows the first 3 negative and positive numbers.
- The positive numbers are all larger than the negative numbers.
- 0 is called the origin and is not negative or positive.


Multiplying negative numbers
Multiplying negative numbers
- When multiplying a negative number by another negative number, the negatives cancel out and the result is positive.
1Numbers
1.1Integers
1.3Decimals
1.4Powers & Roots
1.5Set Language & Notation
1.6Percentages
1.7Ratio & Proportion
2Equations, Formulae & Identities
2.1Algebraic Manipulation
2.2Expressions & Formulae
2.3Linear Equations
2.4Quadratic Equations
2.5Proportion
3Sequences, Functions & Graphs
3.1Sequences
3.3Graphs
3.4Common Graphs
4Geometry
4.1Angles, Lines & Triangles
4.2Polygons
4.5Circle Properties
4.6Trigonometry & Pythagoras’ theorem
4.7Mensuration of 2D Shapes
4.83D Shapes & Volume
5Vectors & Transformation Geometry
6Statistics & Probability
6.1Statistical Measures
6.2Graphical Representation of Data
Jump to other topics
1Numbers
1.1Integers
1.3Decimals
1.4Powers & Roots
1.5Set Language & Notation
1.6Percentages
1.7Ratio & Proportion
2Equations, Formulae & Identities
2.1Algebraic Manipulation
2.2Expressions & Formulae
2.3Linear Equations
2.4Quadratic Equations
2.5Proportion
3Sequences, Functions & Graphs
3.1Sequences
3.3Graphs
3.4Common Graphs
4Geometry
4.1Angles, Lines & Triangles
4.2Polygons
4.5Circle Properties
4.6Trigonometry & Pythagoras’ theorem
4.7Mensuration of 2D Shapes
4.83D Shapes & Volume
5Vectors & Transformation Geometry
6Statistics & Probability
6.1Statistical Measures
6.2Graphical Representation of Data
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