Mr. Buffington introduces a lesson on adding rational numbers, covering their definition, examples, and how to add them using a number line. The lesson explains the rules for adding rational numbers with the same and different signs, providing examples in both decimal and fraction forms. Students are encouraged to practice with provided questions and solutions, reinforcing the concepts of adding rational numbers.

What will be covered in the lesson on adding rational numbers?

• Subtracting rational numbers

• Adding rational numbers, including decimals and fractions

• Multiplying rational numbers

• Only adding integers

Which of the following is NOT a rational number?

• -16

• 3.5

• √2

• 1/2

How does adding rational numbers differ from adding integers?

• Rational numbers are always positive

• Rational numbers include decimals and fractions

• Rational numbers cannot be negative

• Rational numbers are only whole numbers

On a number line, what is the result of adding -3.5, 9, and -4.5?

• 1

• 0

• -1

• 5

When adding two numbers with the same sign, what is the result?

• The sum is always positive

• The sum is zero

• The sum is always negative

• The sum keeps the sign of the numbers

What happens when you add a positive and a negative number?

• You always get a positive result

• You always get a negative result

• The result is always zero

• You subtract the numbers and keep the sign of the larger absolute value

What is the result of adding 4.3 and -2?

• 2.3

• -2.3

• 6.3

• -6.3

In the practice question, what is the result of 14.4 + (-5.6)?

• 8.8

• -8.8

• 20

• -20

What is the result of adding -10.3 and -8.6?

• -18.9

• 18.9

• -17.1

• 17.1

What is the result of adding -10 3/5 and -4 1/5?

• -14 4/5

• 14 4/5

• -15

• 15