Number

Explore our e-library for topics in Foundations Maths. From BIDMAS, Fractions, Decimals and Percentage to Standard form, you can access videos and exercises with worked solutions  to enhance your knowledge and understanding.  You can also use "Ctrl +F" to speed up your search for a specific topic.

Enjoy your learning!

Decimals and Rounding

Rounding to Decimal Places and Significant Figures

Fractions

An Introduction

Adding and Subtracting Fractions

• Video: Adding and subtracting fractions
• Adding and Subtracting Fractions Exercise with Solutions

Multiplying and Dividing Fractions

• Video: Multiplying and dividing fractions
• Multiply and Divide Fractions Exercise with Solutions

Mixed Numbers and Improper Fractions

• MASH video on Mixed Numbers and Improper Fractions
• Corbett Maths Worksheet on Mixed numbers and Improper Fractions

Converting Fractions, Decimals and Percentages

• Video: Converting Fractions, Decimals and Percentages
• Corbett Maths worksheet on converting between Fractions, Decimals and Percentages

BIDMAS

Order of Operations (BIDMAS/BODMAS)

• Video: BiDMAS/BoDMAS
• BIDMAS exercise booklet with worked solutions
• Interactive BIDMAS Exercises with Solutions

Positive and Negative Numbers

• Video: How to Add, Subtract, Multiply and Divide Directed Integers
• Positive and Negative Numbers Exercise with Solutions

Percentages

Percentage of an Amount

• Video: Percentages of an amount
• Exercise on Percentage of an Amount  with Solutions

Percentage Change (increase/decrease/profit/loss)

• Video: Percentage Increase and Decrease (Multiplier Method)
• Video: How to Calculate Percentage Change (Increase or Decrease)
• Video: Reverse Percentages - Calculating The Cost Before The Discount
• Corbett Maths Exercise on Percentage Change

Original amount

• Video: Reverse Percentages - Calculating The original
• Corbett Maths Exercise on Reverse Percentages

Simple Interest and Compound Interest (Repeated Proportional Change)

• Video: How to Calculate Simple Interest
• Video: Compound Interest
• Compound Interest Worksheet 
• Compound Interest video with worked out exercises
• Repeated Percentage Change Videos with Worked Out Questions

Ratio and Proportion

Introduction to Proportion

• Corbett Maths Video on Proportion
• Corbett Maths exercises on Proportion

Direct and Inverse Proportion

• Corbett Maths Video on Direct and Inverse Proportion
• Corbett Maths Exercise on Direct and Inverse proportion

Standard Form

Writing Numbers in Standard Form

• Video: What is Standard Form (also known as Scientific Notation)?
• Video: How to Convert Number into Standard Form
• Exercise on Standard Form with solutions 
• Corbett Maths exercise on Standard Form

Calculations Using Standard Form

• Video: How to Multiply and Divide in Standard Form
• Video: How to Multiply and Divide in Standard Form
• Corbett Maths Exercise on Calculating with Standard Form