Integers An Introduction

Integers An Introduction

Ch. 6

Today we will learn if temperatures can be expressed as less than zero, and how to identify different numerical values.

Learning Objective

Poll

How cold do you think Antarctica was in October of 2019?

•  $90\degree\ F$  

•  $50\degree\ F$  
  

•  $0\degree\ F$  

•  $1\degree\ F$  

Poll

Negative numbers show numbers that are less than zero.

Integers

Integers are the set of whole numbers and their opposites.

Mount Everest

Mount Everest is the highest of the Himalayan mountains, and—at 8,850 meters (29,035 feet)—is considered the highest point on Earth.

The Dead Sea

The Dead Sea is a large lake that borders Israel, Jordan, and the West Bank. It has the lowest land elevation on Earth, sitting 422 meters (1,385 feet) below sea level.

Questions

For the following questions choose the correct numerical value the fits the description.

Poll

A contestant gains 250 points

• 250

• -250

Poll

A contestant loses 25 points

• -25

• 25

Poll

A ball falls 30 feet

• -30

• 30

Poll

Gasoline freezes at 40 degrees below zero.

• 40

• -40

Poll

A hiker climbs 900 feet up a mountain.

• 900

• -900

Poll

You ride the elevator 4 floors up.

• 4

• -4

Poll

You earn $10 after doing your chores.

• 10

• -10