The other side of zero

Why are negative numbers important in mathematics and daily life?

1. They are used only in examinations.
2. They help represent quantities below zero, such as temperatures, losses, depths, and elevations.
3. They replace positive numbers completely.
4. They are used only for drawing graphs.

If the temperature rises from -3°C to 2°C, the increase is:

1. 3°C
2. 4°C
3. 5°C
4. 6°C

Which integer lies between -5 and -3?

1. -6
2. -4
3. -2
4. 0

A submarine is 120 metres below sea level. Which integer represents this position?

1. 120
2. 0
3. -120
4. 220

Which of the following is true?

1. Every negative number is greater than every positive number.
2. Every positive number is greater than every negative number.
3. Zero is greater than every positive number.
4. Negative numbers are not integers.

What is -4 + 6?

1. -10
2. -2
3. 2
4. 10

Which number is exactly opposite to +9 on the number line?

1. -8
2. -9
3. 0
4. 9

Which pair consists of one positive and one negative integer?

1. 4 and 9
2. -5 and -8
3. -6 and 7
4. 0 and 5

Moving left on a number line means:

1. Numbers become larger.
2. Numbers become smaller.
3. Numbers stay the same.
4. Only positive numbers appear.

Which integer is smallest?

1. -2
2. 0
3. 3
4. -7

Which of the following represents a temperature below freezing?

1. 8°C
2. 2°C
3. -4°C
4. 15°C

Which of the following statements is true?

1. Zero is a positive integer.
2. Zero is a negative integer.
3. Zero is neither positive nor negative.
4. Zero is the smallest integer.

Which number comes immediately before 0 on the number line?

1. 1
2. -1
3. 2
4. -2

Which number is greater?

1. -8
2. -3
3. -10
4. -15

Which of the following is a negative integer?

1. 8
2. 0
3. -5
4. 12