Exploring Integers and Rational Numbers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Examples include 1/2, -3, and 0.

Front

On a number line, which direction do you move to represent negative integers?

Back

You move to the left on the number line to represent negative integers.

Front

What integer represents a temperature of 0 degrees Celsius?

Back

0 is the integer that represents a temperature of 0 degrees Celsius.

Front

If you add a positive integer to a negative integer, what is the result?

Back

The result depends on the absolute values of the integers. If the positive integer is greater, the result is positive; if the negative integer is greater, the result is negative.

Front

What is the absolute value of -7?

Back

The absolute value of -7 is 7. Absolute value represents the distance from zero on the number line.

Front

If a submarine descends 15 meters, which integer represents this change?

Back

-15 represents the change in position when a submarine descends 15 meters.

Front

Which is greater: -2 or -4?

Back

-2 is greater than -4 because it is closer to zero on the number line.

Front

What does it mean when a number is 'below sea level'?

Back

A number below sea level is represented as a negative integer, indicating a depth below the reference point of sea level.

Front

If the temperature rises by 10 degrees, which integer represents this change?

Back

+10 or simply 10 represents the increase in temperature.