### Table of Contents

- 6-Digit Numbers
- Decimal Place Value
- Mental Addition of Decimals and Whole Numbers
- Solving Problems Using Mental Methods
- Solving Addition and Subtraction Problems
- Dividing by 2, 3, 4, 5, 9, and 10
- Prime Numbers and Factors
- Square Numbers
- Dividing Mentally
- Properties of Triangles
- Grams and Kilograms
- Litres and Millilitres
- Converting Units of Length
- Adding 2-Place Decimals
- Subtracting Decimals
- Multiplying Two 2-Digit Numbers
- Dividing 3-Digit Numbers by 1-Digit Numbers
- Finding Fractions of 3-Digit Numbers
- Multiplying 3- and 4-Digit Numbers by 1-Digit Numbers
- Multiplying and Dividing
- Properties of Polygons
- Standard International and Imperial Units
- Mixed Numbers and Improper Fractions
- Multiplying Proper Fractions by Whole Numbers
- Subtracting 4-Digit Numbers
- Adding Several Numbers
- Practising Calculations
- Code Puzzles