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How To Use The Inverse To Support Mental Subtraction
It is crucial that pupils can identify when it's possible to solve a calculation mentally without resorting to written methods. Here we look at using the inverse to subtract numbers which are close in value.
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It is crucial for students to be able to identify when they can solve a calculation mentally without using written methods. This video demonstrates how to use the inverse to support mental subtraction, particularly when subtracting numbers that are close in value.
In this Maths in Minutes video, educators are shown how to teach students to use the inverse to support mental subtraction. By understanding this concept, students can improve their mental calculation skills and become more confident in their ability to solve subtraction problems without relying on written methods.
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00:10 Why is it important for students to be able to use the inverse to support mental subtraction?
00:16 How can educators help students identify when they can solve a subtraction problem mentally using the inverse method?
