Adding & Subtracting Rational Numbers

Front

Evaluate: −3 − (−4) − (−2) + 1

Back

4

Front

Which expression is equivalent to: -7 - 8

Back

-7 + (-8)

Front

Evaluate: −5 − 15 - (-5) + 15

Back

0

Front

Find an equivalent expression for: -4 - (-2)

Back

-4 + 2

Front

Evaluate: -3.28 - (-4.4) + (-p) where p = 9.7

Back

-8.58

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What does it mean to subtract a negative number?

Back

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

Front

What is the result of adding two negative numbers?

Back

The result is always a negative number.

Front

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

Back

The result depends on the absolute values; it can be positive, negative, or zero.

Front

How do you evaluate an expression with multiple operations?

Back

Follow the order of operations: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).