Multiplication of decimals
Chapter 10: Multiplication Using Two Reference Numbers
Easy multiplication by
Using fractions as multiples
Using factors expressed as division
Playing with two reference numbers
Using decimal fractions as reference numbers
Chapter 11: Addition
Adding from left to right
Breakdown of numbers
Checking addition by casting out nines
Chapter 12: Subtraction
Numbers around
Easy written subtraction
Subtraction from a power of
Checking subtraction by casting nines
Chapter 13: Simple Division
Simple division
Bonus: Shortcut for division by
Chapter 14: Long Division by Factors
What Are Factors?
Working with decimals
Chapter 15: Standard Long Division Made Easy
Chapter 16: Direct Long Division
Estimating answers
Reverse technique — rounding off upwards
Chapter 17: Checking Answers (Division)
Changing to multiplication
Bonus: Casting twos, tens and fives
Casting out nines with minus substitute numbers
Chapter 18: Fractions Made Easy
Working with fractions
Adding fractions
