Adding and Subtracting Integers and Fractions

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

How do you add two negative integers?

Back

When adding two negative integers, you add their absolute values and keep the negative sign. For example, -2 + (-3) = -5.

Front

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

Back

To add a positive integer and a negative integer, subtract the smaller absolute value from the larger absolute value and keep the sign of the larger absolute value.

Front

What is the rule for subtracting integers?

Back

To subtract an integer, add its opposite. For example, a - b is the same as a + (-b).

Front

What is the result of -2.61 + (-6.88)?

Back

-9.49

Front

How do you subtract a negative fraction from a positive fraction?

Back

Subtracting a negative fraction is the same as adding its positive equivalent. For example, ⅞ - (-⅝) = ⅞ + ⅝ = 1 4/8.

Front

What is the result of 9 + -6.73?

Back

2.27

Front

How do you find the temperature difference when one temperature is negative?

Back

To find the temperature difference, add the absolute value of the negative temperature to the positive temperature. For example, if the temperature is -5 degrees and you want to find the temperature that is 8 degrees colder, calculate -5 - 8 = -13 degrees.

Front

What happens to a negative balance when a positive amount is deposited?

Back

When a positive amount is deposited into a negative balance, you add the deposit to the negative balance. For example, -$275.78 + $539.20 = $263.42.