Adding and Subtracting Integers on a Number Line

This video tutorial is the third part of a series on adding and subtracting integers using a number line. It introduces the hot and cold analogy to help understand equations and how to move left or right on a number line. The lesson includes a review of previous concepts and provides practice problems to reinforce learning. The tutorial emphasizes understanding over memorization and aims to make the concepts logical and memorable.

What is the primary analogy used to explain adding and subtracting integers?

• The seasons of the year

• Day and night cycle

• Up and down on a hill

• Hot and cold cubes

Tags

CCSS.7.NS.A.1B

What does adding hot cubes to the soup represent?

• Decreasing temperature

• Making the soup spicy

• Changing the soup's flavor

• Increasing temperature

What happens when you subtract cold cubes from the soup?

• It becomes spicier

• It remains unchanged

• It becomes colder

• It becomes warmer

How do you determine the direction to move on the number line?

• By guessing

• By the type of cubes added or subtracted

• By the temperature of the soup

• By the color of the cubes

Tags

CCSS.2.MD.B.6

What does subtracting hot cubes from the soup do to its temperature?

• Makes it hotter

• Makes it colder

• No change

• Makes it spicier

Tags

CCSS.7.NS.A.1C

Starting at 0, if you add hot cubes worth 10, where does the puppy end up?

• 0

• Negative 10

• Positive 10

• Positive 4

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CCSS.1.NBT.C.4

CCSS.2.MD.B.6

If you start at negative 6 and subtract cold cubes worth 10, where do you end up?

• Negative 4

• 0

• Positive 4

• Negative 16

Tags

CCSS.7.NS.A.1C

What is the result of 5 minus 8 using the analogy?

• Positive 3

• Negative 3

• 0

• Positive 13

Tags

CCSS.7.NS.A.1C

Starting at positive 7 and adding cold cubes worth 8, what's the result?

• Positive 15

• Negative 1

• Positive 1

• 0

Tags

CCSS.7.NS.A.1C

What does adding 15 hot cubes to negative 3 result in?

• Positive 12

• Negative 12

• Positive 18

• Negative 18

Tags

CCSS.7.NS.A.1C