What are negative numbers, and how do they relate to positive numbers and zero?

Negative numbers are numbers that are less than zero, such as -1, -2, and -3. Together with positive numbers (greater than zero) and zero, they form a set known as integers.

Fill in the blank: The ground floor is labeled as Floor ___ in the Building of Fun.

0

True or False: In the Building of Fun, pressing '3' on the lift takes you to Floor -3.

False. Pressing '3' takes you to Floor 3, which is above the ground.

What is the significance of Floor 0 in the context of the Building of Fun?

Floor 0 serves as the reference point for numbering all other floors, with positive numbers representing floors above and negative numbers representing floors below.

Riddle: I am a number that has no positive or negative sign. I can be found right in the middle of a number line. What am I?

0

When moving down using a lift in the Building of Fun, what button do you press to indicate descending floors?

You press the '-' button to indicate descending floors.

Fill in the blank: The numbers placed to the left of zero on a number line are called ___.

Negative numbers

What does pressing '-1' in the lift signify?

Pressing '-1' means moving down one floor to Floor -1, which is below the ground level.

Short Answer: Describe how positive and negative numbers are used in the context of the Building of Fun.

Positive numbers are used to label floors above the ground, while negative numbers label floors below the ground, with Floor 0 as the reference point.

True or False: Pressing a number and its inverse always results in reaching floor zero.

True.

Basant accidentally presses 3 in the lift. What should he press next to return to the ground floor?

He should press -3 to return to the ground floor.

Fill in the blank: The action of pressing a number and its opposite is known as ___.

Inverse.

If I have 10 books and I take away 4, how many books do I have left?

You have 6 books left.

What mathematical operation does pressing the '-' button in the lift represent?

Subtraction of floors.

When comparing two quantities, if I have 10 rupees and my sister has 6, how much more does she need to be equal to me?

She needs 4 more rupees.

What is the formula to calculate the movement needed to reach a target floor from a starting floor?

Movement needed = Target floor - Starting floor

In the context of a mine, how are levels above and below ground represented numerically?

Levels above ground are marked with positive numbers, while levels below ground are marked with negative numbers.

Fill in the blank: In a building with six floors above ground and five floors below, the floors above represent ___ numbers, and the floors below represent ___ numbers.

Positive; negative

True or False: The number of negative integers is finite.

False. Negative integers go down without limit.

Riddle: I can be positive, I can be negative, but without me, you cannot count from one to ten. What am I?

Zero