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

The video tutorial explains how Stefan completes a subtraction calculation of 95 minus 67, resulting in 28. It then describes how to verify the subtraction using addition, by adding 28 and 67 to get 95. An alternative method for verification is also discussed, involving arranging numbers in boxes. The tutorial concludes with a note on the marks awarded for the question.

What is the result of the subtraction 95 minus 67 as calculated by Stefan?

• 25

• 32

• 28

• 30

What method did Stefan use to solve the subtraction problem?

• Rounding

• Estimation

• Carrying

• Borrowing

How can Stefan verify his subtraction result?

• By adding 28 and 67

• By subtracting 28 from 95

• By multiplying 28 and 67

• By dividing 95 by 67

What should the sum of 28 and 67 equal to verify the subtraction?

• 95

• 100

• 85

• 90

What is the alternative method mentioned for verifying the subtraction?

• Checking with a friend

• Reversing the subtraction

• Using a calculator

• Using two boxes with 28 and 67