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Subtraction: Take-Away and Missing Addend Approaches, Lecture notes of Mathematics

New Era University (NEU)Mathematics

ArithmeticCalculusÁlgebraNumber Theory

The concepts of subtraction using both the take-away and missing addend approaches. Subtraction is the inverse operation of addition, and these methods help understand the process of finding the difference between two numbers. The take-away approach involves setting up a subtraction problem as a regular addition problem with a borrowing step, while the missing addend approach focuses on finding the missing addend to make the minuend equal to the subtrahend.

What you will learn

What is the difference between the take-away and missing addend approaches in subtraction?
Can you provide an example of using each approach to solve a subtraction problem?
How can you use the four-fact families to learn subtraction facts?

Typology: Lecture notes

2021/2022

Uploaded on 08/05/2022

hal_s95 🇵🇭

4.4

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8.6K documents

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Partial preview of the text

Download Subtraction: Take-Away and Missing Addend Approaches and more Lecture notes Mathematics in PDF only on Docsity! 3.1. ADDITION AND SUBTRACTION 35 Definition (Subtraction – Take-Away Approach). Let a and b be any whole numbers and A and B be sets such that a = n(A), b = n(B), and B ✓ A. Then a b = n(AB). “ab” is the di↵erence of a and b, “a” is the minuend, and “b” is the subtrahend. Subtraction – the missing addend approach Definition (Subtraction - Missing Addend Approach). Let a and b be any whole numbers. Then a b = c if and only if ( () ) a = b + c for some whole number c. This approach is useful for learning subtraction facts by relating them to addi- tion facts via four-fact families:

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