Efficient Subtraction Video Tutorial
Teacher Specific Information
During this Efficient Subtraction Video Tutorial, Aaron shows children how to subtract numbers more efficiently, either by adjusting both numbers by the same value or counting on using a number line to determine the difference. Throughout the video, there are questions for the pupils to complete. Aaron uses terminology such as digits, columns, exchange and difference.
This video will be useful for children to watch at home or for extra support as part of an intervention, or whole class activity.
National Curriculum Objectives
Number – addition and subtraction
Mathematics Year 4: (4C2) Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate
Mathematics Year 4: (4C3) Estimate and use inverse operations to check answers to a calculation
Mathematics Year 4: (4C4) Solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why