+34 686 19 99 98
info@topgrades.com
Home
About
Programs
IGCSE Maths
Multiplying by 10
Dividing by 10
Multiplying by 100
Dividing by 100
Multiplying by 1000
Dividing by 1000
Mixed Fraction to Improper Fraction
Simple Ratios
Adding and subtracting numbers
Rules for multiplication and division
Linear equations 1
Linear equations 2
Adding fractions
Types of triangles based on the sides
Types of triangles based on angles
Angles in a triangle
Indices 1
Indices 2
Indices 3
Pythagoras Theorem
Converse of Pythagoras – finding sides other than the hypotenuse
Area of a triangle
Finding angles – Parallel lines
Percentages 1
Expanding brackets
Angles in a polygon
Highest common factor (HCF)
Lowest common multiple (LCM)
IB Maths
Logarithms Medium Solutions
Logarithms Hard Solutions
IGCSE Physics
IGCSE Chemistry
IGCSE Biology
Past Papers
Contact us
Login
✕
Adding and subtracting numbers
