Adding and Subtracting Integers Challenge

The video tutorial teaches how to add and subtract integers using a visual method involving black and red dots. Black dots represent positive numbers, while red dots represent negative numbers. The concept of 'zeroing out' is introduced, where a positive and a negative number cancel each other out to make zero. Several examples are provided, including ten minus three, negative twelve minus three, negative ten plus six, and negative fifteen plus eight, to illustrate the method. The tutorial emphasizes understanding the balance between positive and negative numbers to find the final result.

What do black dots represent in this lesson?

• Positive numbers

• Negative numbers

• Fractions

• Zero

Tags

CCSS.6.NS.C.6C

What do red dots represent in this lesson?

• Positive numbers

• Negative numbers

• Zero

• Fractions

Tags

CCSS.6.NS.C.6C

What happens when a positive and a negative number come together on the line?

• They equal zero

• They subtract

• They multiply

• They add up

Tags

CCSS.7.NS.A.1B

If you have -3 and add -2, what is the result?

• 1

• -5

• 5

• -1

Tags

CCSS.7.NS.A.1C

If you have 10 positive numbers and 3 negative numbers, how many positive numbers are left after zeroing out?

• 3

• 7

• 0

• 10

Tags

CCSS.7.NS.A.1A

How many positive numbers are left if you start with 10 positive and 3 negative numbers after zeroing out?

• 3

• 7

• 0

• 10

Tags

CCSS.7.NS.A.1A

What is the result of -12 minus 3?

• -12

• -3

• -15

• -9

Tags

CCSS.7.NS.A.1C

What is the result of -12 minus 3?

• -9

• -15

• -12

• -3

Tags

CCSS.7.NS.A.1C

What is the result of -10 plus 6?

• 16

• -16

• 4

• -4

Tags

CCSS.7.NS.A.1C

What is the final answer for -15 plus 8?

• -23

• 7

• -7

• 23

Tags

CCSS.7.NS.A.1C