Adding and Subtracting Integers and Decimals

Front

What is the result of -2 - (-10)?

Back

8

Front

How can the expression 7 - (-3) be rewritten?

Back

7 + 3

Front

What is the result of 5.23 - (-9.1)?

Back

14.33

Front

What is the result of adding two positive numbers?

Back

Positive

Front

What is the result of -23.4 - 3.4?

Back

-26.8

Front

What is the rule for subtracting a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the sum of two negative numbers?

Back

Negative

Front

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

Back

It depends on the absolute values; the result will be positive if the positive number is larger, and negative if the negative number is larger.

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is the definition of a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.