Adding Rational Numbers on a Number Line

What is the primary method used to add rational numbers with the same sign in this lesson?

• Using a calculator

• Using number lines

• Using multiplication tables

• Using subtraction

In the first example, how many miles did Sam drive to pick up a pizza?

• 4.5 miles

• 2.5 miles

• 7 miles

• 3 miles

What is the total distance Sam drove after picking up the pizza and driving to Dave's house?

• 5 miles

• 6 miles

• 7 miles

• 8 miles

What was Dave's initial elevation before he dug deeper?

• Negative 3 feet

• Negative 1.5 feet

• Negative 4.5 feet

• Negative 2 feet

After digging another 1.5 feet, what is Dave's new elevation?

• Negative 5 feet

• Negative 4.5 feet

• Negative 3 feet

• Negative 2 feet

In the third example, what is the overall change in the amount of milk in the carton?

• Decreased by 1.25 cups

• Increased by 1.25 cups

• Decreased by 1.5 cups

• Increased by 1.5 cups

How much milk did Telly pour into the glass in total?

• 1.25 cups

• 1 cup

• 1.5 cups

• 1.75 cups

How many pounds of oranges did Meg buy?

• 1 pound

• 1.25 pounds

• 1.5 pounds

• 1.75 pounds

What is the total weight of fruit Meg bought?

• 3.5 pounds

• 3 pounds

• 2.5 pounds

• 2 pounds

When adding positive numbers on a number line, which direction do you move?

• Down

• Left

• Right

• Up