Explanation Method: In charged-field model for subtraction, positive charges represent positive numbers and negative charges represent negative numbers. Proof: Consider the statement 4 − − 1 − = 3 − . First represent 4 − using 4 negative charges. Remove one negative charge from the four negative charges. To determine b) To prove: The statement 2 − − 1 = 3 − using the charged-field model.

A Problem Solving Approach to Mathematics for Elementary School Teachers (12th Edition)

12th Edition

ISBN: 9780321987297

Author: Rick Billstein, Shlomo Libeskind, Johnny Lott

Publisher: PEARSON

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Chapter 5.1A, Problem 13A

To determine

a)

To prove:

The statement 4−−1−=3− using the charged-field model.

To determine

b)

To prove:

The statement 2−−1=3− using the charged-field model.

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Chapter 5.1A, Problem 12A

Chapter 5.1A, Problem 14A

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Chapter 5 Solutions

A Problem Solving Approach to Mathematics for Elementary School Teachers (12th Edition)

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a) To prove: The statement 4 − − 1 − = 3 − using the charged-field model.

Solution Summary: The author explains that positive and negative charges are represented in the charged-field model for subtraction.

Concept explainers

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a)

To prove:

The statement 4−−1−=3− using the charged-field model.

b)

To prove:

The statement 2−−1=3− using the charged-field model.

Want to see the full answer?

Chapter 5 Solutions

a) To prove: The statement 4 − − 1 − = 3 − using the charged-field model.

Solution Summary: The author explains that positive and negative charges are represented in the charged-field model for subtraction.

Concept explainers

Videos

a) To prove: The statement 4−−1−=3− using the charged-field model.

b) To prove: The statement 2−−1=3− using the charged-field model.

Want to see the full answer?

Chapter 5 Solutions

a)

To prove:

The statement 4−−1−=3− using the charged-field model.

b)

To prove:

The statement 2−−1=3− using the charged-field model.