Comparing Positive and Negative Numbers

Which is Greater?

100

+3 or +2

+3

200

-5 or -3

-3

300

+10 or -10

+10

400

Absolute value of 0 or Absolute value of -7

Absolute Value of -7

500

+15 or -30

+15

True or False

100

All integers less than -2 are negative

True

200

the farther an integer is from 0 on a number line, the greater it is no matter what

False

300

The absolute value of -7 is greater than the absolute value of -3

True

400

The absolute value of a number can be positive or negative

False

500

Zero (0) is a positive number

False

Draw a Number Line

100

On your number line, mark an integer three greater than 0

+3

200

On your number line, mark an integer two greater than +4

+6

300

On your number line, mark an integer three greater than -3

0

400

On your number line, mark an integer five less than -2

-7

500

On your number line, mark an integer eight less than +5

-3

Real World Examples

100

The temperature is -10 degrees celsius. The forecast says the temperature will increase by 4 degrees celsius. What will the temperature be?

-6 degrees celsius

200

In the 2003 Master's Golf Tournament, Phil Mickelson from the USA shot -5 and Mike Weir from Canada shot -7. Which player won the tournament with the lowest score?

Mike Weir

300

Ms. Morgan and Mr. Gaunt make a bet on the Super Bowl. Ms. Morgan wins. As a result, she has an income of $10. Mr. Gaunt has a debt of $10. Mark these integers on a number line.

+10 Ms. Morgan -10 Mr. Gaunt

400

You looked at the temperature on Wednesday and it was -10°C in Boston. On Thursday you heard the weatherman say it was -15°C. It was colder on this day.

What is Thursday?

500

Bonus Question: An integer is between -4 and -19. It is twice as far from -4 as it is from -19. What is the integer?

-14