Module 2 - Flashcard #3 Review

Front

What is the result of adding a positive integer and a negative integer?

Back

The result can be found by subtracting the absolute value of the negative integer from the positive integer. If the absolute value of the negative integer is greater, the result will be negative.

Front

How do you represent a location below sea level using integers?

Back

Locations below sea level are represented by negative integers. For example, if a submarine is 1800 ft below sea level, it is represented as -1800.

Front

What is the sum of 3 and -9?

Back

The sum of 3 and -9 is -6.

Front

How do you add decimal numbers with different signs?

Back

To add decimal numbers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the result of -7.38 + 12.5?

Back

The result is 5.12.

Front

What is the concept of additive inverses?

Back

Additive inverses are pairs of numbers that, when added together, equal zero. For example, the additive inverse of -4 is 4.

Front

How do you find the integer that needs to be added to reach a specific target?

Back

To find the integer that needs to be added to reach a target, subtract the current value from the target value.

Front

What is the equation for combining integers?

Back

The equation for combining integers can be expressed as a + b, where 'a' and 'b' can be positive or negative integers.

Front

What is the significance of negative numbers in real-world applications?

Back

Negative numbers are used to represent values below a reference point, such as temperatures below zero, depths below sea level, or financial losses.

Front

How do you solve for an unknown in an equation involving integers?

Back

To solve for an unknown, isolate the variable on one side of the equation by performing inverse operations.