Operations with Real Numbers

Front

What is the sum of -5.8 and -7.62?

Back

-5.8 + (-7.62) = -13.42

Front

Define real numbers.

Back

Real numbers include all the rational and irrational numbers, encompassing integers, fractions, and decimals.

Front

What is an integer?

Back

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

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction.

Front

Calculate: -3.5 + 2.1

Back

-3.5 + 2.1 = -1.4

Front

What is the absolute value of -8?

Back

The absolute value of -8 is 8.

Front

What does it mean to add two negative numbers?

Back

Adding two negative numbers results in a more negative number.

Front

Calculate: 4.5 + (-6.3)

Back

4.5 + (-6.3) = -1.8

Front

What is the result of subtracting a negative number from a positive number?

Back

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

Front

Calculate: -10 - (-4)

Back

-10 - (-4) = -10 + 4 = -6