Decimals and Integers B3

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten. It is used to represent numbers that are not whole numbers.

Front

What is an integer?

Back

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

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, (-5) + (-3) = -8.

Front

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

Back

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

Front

How do you subtract integers?

Back

To subtract an integer, you can add its opposite. For example, to calculate 5 - (-3), you can do 5 + 3 = 8.

Front

What is the difference between (-3.7) and 4.2?

Back

The difference is -7.9, calculated as (-3.7) - 4.2.

Front

What is the sum of (-8) and (-2)?

Back

The sum is -10, calculated as (-8) + (-2).

Front

What is the result of (-5) + (-7)?

Back

The result is -12, calculated as (-5) + (-7).

Front

How do you find the difference between two negative integers?

Back

To find the difference, subtract the smaller absolute value from the larger absolute value and keep the sign of the larger absolute value. For example, (-19) - (-35) = 16.

Front

What does it mean for one number to be colder than another on a number line?

Back

A number is colder than another if it is further to the left on the number line, indicating a lower value.