Write a positive or negative number to represent each change...

Write a positive or negative number to represent each change in the high temperature. a. Tuesday's high temperature was 4 degrees less than Monday's high temperature. b. Wednesday's high temperature was $3.5$ degrees less than Tuesday's high temperature. c. Thursday's high temperature was $6.5$ degrees more than Wednesday's high temperature. d. Friday's high temperature was 2 degrees less than Thursday's high temperature.

Write a positive or negative number to represent each change in the high temperature.
a. Tuesday's high temperature was 4 degrees less than Monday's high temperature.
b. Wednesday's high temperature was $3.5$ degrees less than Tuesday's high temperature.
c. Thursday's high temperature was $6.5$ degrees more than Wednesday's high temperature.
d. Friday's high temperature was 2 degrees less than Thursday's high temperature.

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Key Concepts

Positive and Negative Numbers

This concept involves understanding that in mathematics, positive numbers represent an increase or an upward change, while negative numbers represent a decrease or a downward change. In the context of temperature changes, a positive number indicates that the temperature has gone up, whereas a negative number indicates that it has gone down.

Representing Change with Numerical Values

This concept refers to the method of quantifying the difference between two values by using positive or negative numbers. When a decrease occurs, it is represented as a negative number, and when an increase occurs, it is represented as a positive number. This allows for clear calculations and comparisons between successive data points.

Application of Arithmetic Operations

This concept highlights the use of arithmetic operations, such as addition and subtraction, to combine or analyze changes. By assigning a negative or positive sign to a change in a quantity, you can perform step-by-step calculations to determine final values based on sequential changes.

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