KS2 Primary Maths Age 13-17 - Ratio, Proportion and Algebra: Finding Missing Numbers - Explained

The video tutorial guides viewers through solving an addition problem by identifying three missing digits. It starts by explaining the task and then demonstrates how to find each missing digit step-by-step. The first digit is found without a carry, while the second requires a carry over. Finally, the tutorial concludes with the complete solution and an explanation of the marking scheme, where viewers can earn marks based on the number of correct entries.

What number should be added to 4 to get 5?

• 2

• 1

• 0

• 3

What number should be added to 5 to make the unit digit 1?

• 6

• 7

• 8

• 5

What is the result of adding 5 and 6, considering the carry?

• 10

• 11

• 13

• 12

What is the final answer after adding all the digits and carrying over?

• 155

• 176

• 165

• 166

How many marks do you get if you find all three correct entries?

• 4 marks

• 1 mark

• 3 marks

• 2 marks