# Course: Abacus • Year 4 • Textbook 3

• 4-Digit Numbers
• 5-Digit Numbers
• Negative Numbers
• Understanding Decimals
• Counting on in Tenths and Hundredths
• Rounding Decimals
• 11 and 12 Times-Tables
• Mental and Written Multiplication
• Multiplying and Dividing
• Calculating Area and Perimeter
• Properties of 2D and 3D Shapes
• Decimal Numbers in Length
• Equivalent Fractions and Decimals
• Adding 2-, 3- and 4-Digit Numbers
• Subtracting 3- and 4-Digit Numbers
• Using Factors to Multiply
• Scaling
• Subtracting 3- and 4-Digit Numbers
• Finding Change
• Coordinates
• Bar Charts and Pictograms
• Line Graphs
• Multiplying 3-Digit Numbers by 1-Digit Numbers
• Multiply and Divide by 10 and 100
• Multiplying by 11 and 12
• Multiplying Two 2-Digit Numbers
• Finding Fractions of Amounts
• Solving Problems
• Grid Investigations

Use Nagwa in conjunction with your preferred textbook. The recommended lessons from Nagwa for each section of this textbook are provided above. This course is not affiliated with, sponsored by, or endorsed by the publisher of the referenced textbook. Nagwa is a registered trademark of Nagwa Limited. All other trademarks and registered trademarks are the property of their respective owners.