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Calculations - Add And Subtract - Explanation Videos
The following videos are based on the Calculations section of the Primary National Curriculum. They are designed to show you how we would explain the topics to a student, then you can try the recommended worksheets or online tests to practice.
How To Add 2-Digit Numbers With Carrying
This addition explanation video shows how to use the standard written method (column method) to add two 2-digit numbers, for example 25 + 18.
Recommended Addition Resources:
For an easier level, try our simple addition with carrying worksheet
How To Add 3-Digit Numbers With Carrying
This addition explanation video follows on from the video above. It shows how to use the standard written method (column method) to add a 3-digit number to a 2-digit number, for example 138 + 74.
Recommended Addition Resources:
Try our Addition With Carrying Worksheet
For more advanced addition: Year 4 Add And Subtract 4-Digit Numbers Topic Sheet
How To Subtract 2-Digit Numbers With Borrowing
This subtraction explanation video shows how to use the standard written method to subtract a 2-digit number from another 2-digit number, for example 38 - 19.
Recommended Subtraction Resources:
For a slightly easier level of borrowing, try our Stage 1 Subtraction With Borrowing Worksheet
For more practice, try our Stage 2 Subtraction With Borrowing Worksheet
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Perfect for 11 Plus & SATs Revision
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