Mastering Addition and Subtraction of Rational Numbers

This video tutorial from Burns's Math Club teaches how to add and subtract rational numbers, including integers, decimals, and fractions. It covers various examples, such as adding positive integers, numbers with different signs, decimals, and fractions. The video also explains subtracting integers and fractions, as well as handling subtraction with parentheses using the distributive property.

What is a rational number?

• A number that can be expressed as a fraction

• A number that cannot be expressed as a fraction

• A number that is always an integer

• A number that is always a decimal

What is the result of adding 14 and 16?

• 32

• 26

• 30

• 28

When adding 20 and -4, what is the sign of the result?

• Negative

• Positive

• Undefined

• Zero

What is the result of -5 + 2.4?

• -3.4

• 3.4

• -2.6

• 2.6

How do you convert 1 1/2 to an improper fraction?

• 3/1

• 5/2

• 2/3

• 3/2

What is the common denominator of 1/2 and 2/3?

• 2

• 3

• 5

• 6

What is the result of 9 - 3 1/2?

• 7/2

• 9/2

• 5/2

• 11/2

What is the result of 3 - 15?

• 12

• -12

• -18

• 18

What happens when you subtract a negative number?

• The result is always negative

• You subtract the absolute values

• The result is always positive

• You add the absolute values

What is the result of 6.4 - (-2)?

• 8.4

• 4.4

• 6.4

• 2.4