Mathematical Concepts and Problem Solving

This video tutorial covers various mathematical problems from a 7th-grade curriculum, focusing on multiplication, evaluating expressions, ordering numbers, calculating sums, and determining differences in height. It also includes practical applications like cycling distances and solving equations with missing numbers. The video concludes with a call to action for viewers to support the channel.

What is the result of multiplying -12 by 1/3?

• 3

• -3

• 4

• -4

If you multiply -1, -2, and 3 together, what is the result?

• -12

• 12

• 6

• -6

Which of the following is the correct order from least to greatest for the set: -6, -2, 0, 4, 8?

• -6, -2, 0, 4, 8

• 0, -2, 4, 8, -6

• 8, 4, 0, -2, -6

• -2, -6, 0, 4, 8

Which sum of two numbers equals zero?

• -3 + 3

• -4 + 1

• 5 + 5

• 2 + 2

What is the difference in height between an aircraft 200m above and a submarine 55m below the surface?

• 55m

• 200m

• 255m

• 145m

How far will Claire travel in 45 minutes if she cycles at 12 mph?

• 6 miles

• 9 miles

• 15 miles

• 12 miles

If Han cycles at 8 mph, what will be his position after 45 minutes?

• 6 miles West

• 6 miles East

• 9 miles East

• 9 miles West

What is the total distance between Claire and Han after 45 minutes if they cycle in opposite directions?

• 12 miles

• 9 miles

• 6 miles

• 15 miles

What number multiplied by 3 equals -15?

• 3

• -3

• 5

• -5

What is the result of -49 multiplied by 3?

• 49

• -49

• 147

• -147