Mastering Integer Addition and Subtraction Techniques

The video tutorial introduces strategies for adding and subtracting integers, focusing on a fast trick using signs and directions. It explains how to apply the trick with examples, including the use of a character, Mr. Frog, to visualize movements on a number line. The concept of opposite integers is introduced, and advanced examples are provided using larger numbers without a number line. The tutorial concludes with practice problems for students to reinforce their understanding.

What is the primary focus of the fast trick for adding and subtracting integers?

• Memorizing the answers

• Using a number line for every problem

• Speed and efficiency

• Understanding the underlying concepts

Tags

CCSS.7.NS.A.1C

When the signs of two integers are the same, in which direction do we move on the number line?

• Left

• Stay in the same place

• Right

• The direction is not important

Tags

CCSS.7.NS.A.1C

What is the result of starting at positive 8 and moving to the left three times?

• Negative 11

• Negative 5

• Positive 5

• Positive 11

Tags

CCSS.7.NS.A.1B

What is the significance of brackets in the answers?

• There is no significance

• To indicate multiplication

• To show that the answer is an integer

• To match the format of the question

Tags

CCSS.7.NS.A.1B

What does moving to the left on the number line typically indicate?

• Adding

• Dividing

• Multiplying

• Subtracting

Tags

CCSS.7.NS.A.1C

If the signs of two integers are different, which direction do we move on the number line?

• Down

• Up

• Right

• Left

Tags

CCSS.7.NS.A.1C

What are opposite integers?

• Integers with the same sign and number

• Integers with different numbers but the same sign

• Integers with the same number but different signs

• Random pairs of integers

Tags

CCSS.6.NS.C.6A

What is the result of starting at negative 8 and moving 50 times to the left?

• Positive 42

• Positive 58

• Negative 58

• Negative 42

Tags

CCSS.7.NS.A.1B

How do we handle adding and subtracting large numbers without a visual number line?

• By guessing the answer

• By using a calculator

• By breaking down into smaller, manageable groups

• Through memorization

Tags

CCSS.2.NBT.B.7

What is the result of starting at negative 62 and moving 53 times to the right?

• Negative 115

• Positive 9

• Negative 9

• Positive 115

Tags

CCSS.7.NS.A.1B