Add And Subtract Rational Numbers On A Number Line

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Front

What is the result of -6.23 + 7.5?

Back

1.27

Front

How do you subtract a rational number from another?

Back

To subtract a rational number, you can add its opposite. For example, a - b is the same as a + (-b).

Front

What is -3/7 + 4/5?

Back

13/35

Front

What happens when you add two negative fractions?

Back

When you add two negative fractions, the result is a more negative number.

Front

What is the rule for adding integers with different signs?

Back

When adding integers with different signs, subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.

Front

If the temperature was 3°C and it dropped by 7.5°C, what is the new temperature?

Back

-4.5°C

Front

What is the result of -1/3 + (-1/6)?

Back

-1/2

Front

How do you represent -3 on a number line?

Back

To represent -3 on a number line, locate the point three units to the left of zero.