Integer Operations and Problem Solving

This video tutorial from Matematika Spekta covers mixed operations with integers, including addition, subtraction, multiplication, and division. The instructor provides four example problems, demonstrating step-by-step solutions and emphasizing the order of operations. The tutorial aims to help students understand how to handle negative numbers and complex calculations. Viewers are encouraged to ask questions in the comments if they have any doubts.

What is the first step in solving mixed operations with integers?

• Solve operations inside parentheses

• Perform addition first

• Start with subtraction

• Ignore multiplication

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In the first example, what is the result of -4 multiplied by 5?

• 20

• -20

• -9

• 9

Tags

CCSS.7.NS.A.1C

What is the final result of the first example problem?

• 16

• -16

• 11

• -11

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In the second example, what is the result of -6 multiplied by -7?

• 42

• -42

• -13

• 13

Tags

CCSS.7.NS.A.1C

What is the final result of the second example problem?

• 72

• -72

• 78

• -78

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In the third example, what is the result of 27 divided by -9?

• -3

• 3

• -9

• 9

Tags

CCSS.7.NS.A.1C

What is the final result of the third example problem?

• -1

• 1

• 2

• -2

Tags

CCSS.7.NS.A.1C

In the fourth example, what is the result of 22 plus -7?

• 15

• -15

• 29

• -29

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 15 multiplied by 2 in the fourth example?

• -7.5

• 30

• 7.5

• -30

Tags

CCSS.7.NS.A.1C

What is the final result of the fourth example problem?

• -15

• -7.5

• 7.5

• 15

Tags

CCSS.7.NS.A.1C