Adding and Subtracting Integers with Counters

In this video, Mr. Harvey teaches how to add and subtract integers using counters. Yellow counters represent positive numbers, while red counters represent negative numbers. The concept of zero pairs, where a positive and a negative cancel each other out, is introduced. Examples of adding and subtracting integers are provided, demonstrating how to handle different combinations of positive and negative numbers. The video concludes with a summary and tips for students to remember the key concepts.

What does a yellow counter represent?

• A subtraction operation

• A negative integer

• Zero

• A positive integer

Tags

CCSS.7.NS.A.1B

What is a zero pair?

• Two negative numbers added together

• A positive and a negative number that together equal zero

• Two positive numbers added together

• A pair of numbers that adds up to 100

Tags

CCSS.7.NS.A.1B

What is the result of adding 4 positive counters to 3 positive counters?

• 7 positive counters

• 1 positive counter

• 7 negative counters

• No counters

Tags

CCSS.7.NS.A.1C

How do you find the result of negative 6 plus negative 2 using counters?

• No counters

• 8 red counters

• 6 yellow counters and 2 yellow counters

• 4 red counters

Tags

CCSS.7.NS.A.1C

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

• You cannot add them

• You use zero pairs to simplify

• You always get a negative result

• You always get a positive result

Tags

CCSS.7.NS.A.1C

What is the result of 8 minus 5 using counters?

• 3 yellow counters

• 3 red counters

• 5 yellow counters

• No counters

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CCSS.2.OA.A.1

What does subtracting a negative from a negative result in?

• A larger negative number

• No change

• A positive number

• A smaller negative number

Tags

CCSS.7.NS.A.1C

If you owe 6 dollars and lose 2 more, how much do you owe?

• 4 dollars

• 8 dollars

• 6 dollars

• 2 dollars

Tags

CCSS.7.NS.A.1C

How does subtracting a negative number affect the total?

• It decreases the total

• It does not change the total

• It increases the total

• It resets the total to zero

Tags

CCSS.7.NS.A.1B

What is the final result of negative seven minus negative six?

• Negative one

• Positive one

• Negative thirteen

• Zero

Tags

CCSS.7.NS.A.1C