KS2 Primary Maths Age 13-17 - Calculations: Written Division - Explained

The teacher reviews a test question that many students answered incorrectly. They demonstrate solving the problem in two ways, focusing on how many ones are in 505. The teacher verifies the solution by performing a division, ensuring the answer is correct. This process is meant to clarify the common misunderstanding and provide a clear method for solving similar problems.

What was the main issue students faced with the test question?

• Writing the answer clearly

• Reading the instructions

• Understanding the question

• Performing the division correctly

How many ones are there in 505?

• 5

• 50

• 505

• 5005

What is the first step in verifying the division of 505 by 1?

• Subtracting 1 from 505

• Multiplying 505 by 1

• Dividing 505 by 5

• Checking how many ones are in 5

What is the result of dividing 505 by 1?

• 1

• 5

• 505

• 50

What does the teacher do to confirm the correctness of the division?

• Uses a calculator

• Rewrites the question

• Performs the division step-by-step

• Asks a student to solve it