Arithmetic Operations and Absolute Values

The video tutorial covers practice problems from lesson 6, focusing on subtracting rational numbers. It explains how to subtract both positive and negative numbers, emphasizing the concepts of difference and distance. The tutorial also demonstrates finding differences using fractions and mixed numbers, including converting mixed numbers to improper fractions for solving problems.

What is the result of subtracting 40 from 82?

• 122

• 42

• 40

• 82

How much warmer is 82 compared to -40?

• 42

• 122

• 40

• 82

What is the difference in height between 30 meters and 87 meters?

• 87

• 30

• -57

• 57

What is the absolute value of the difference between 30 meters and 87 meters?

• 0

• 30

• 87

• 57

If an albatross is flying at 100 meters and a shark is swimming at -30 meters, what is the difference in height?

• 70

• 130

• 30

• 100

What is the sum of -5 and -6?

• -11

• 11

• -1

• 1

What is the result of 35 plus 8?

• 43

• 45

• 33

• 40

What is the result of 2/5 minus 3/5?

• 2/5

• -1/5

• 1/5

• 0

Convert 8 3/8 to an improper fraction.

• 35/8

• 40/8

• 67/8

• 32/8

What is the result of -35/8 minus -10/8?

• -25/8

• 45/8

• -45/8

• 25/8