KS2 Primary Maths Age 13-17 - Calculations: Subtracting Whole Numbers - Explained

The video tutorial demonstrates a subtraction problem, focusing on borrowing techniques. It begins with setting up the problem, followed by a detailed explanation of borrowing to solve the subtraction. The solution is presented step-by-step, concluding with the final result and scoring.

What is the first step when setting up numbers for subtraction?

• Add zeros to the smaller number

• Align the numbers by their decimal points

• Lay out one digit per square

• Start subtracting from the leftmost digit

When you cannot subtract a smaller digit from a larger one, what should you do?

• Skip the subtraction

• Borrow from the next higher place value

• Add 10 to the smaller digit

• Subtract the larger digit from the smaller one

In the example, what is the result of subtracting 9 from 18 after borrowing?

• 10

• 9

• 8

• 7

What is the result of subtracting 5 from 5 without borrowing?

• 10

• 5

• 1

• 0

What is the final result of the subtraction problem discussed in the video?

• 459

• 549

• 495

• 945