KS2 Primary Maths Age 13-17 - Calculations: Order of Operations - Explained

The video tutorial explains how to solve a subtraction problem by using reverse operations. It starts with a given number from which 100 is subtracted, resulting in 1059. To find the original number, the teacher demonstrates adding 100 back to 1059, resulting in 1159. The process involves simple addition and verification of the solution, ensuring the final answer is correct.

What is the result when 100 is subtracted from a number to get 1059?

• 1159

• 1059

• 100

• 959

What operation should be performed to find the original number from 1059?

• Subtract 100

• Multiply by 100

• Add 100

• Divide by 100

Which of the following is a reverse operation of subtraction?

• Addition

• Multiplication

• Division

• Subtraction

What is the original number if 100 is added to 1059?

• 1059

• 1159

• 959

• 1259

What is the final answer after verifying the solution?

• 1059

• 959

• 1259

• 1159