Comparison
What is bigger, 1 billion or 1 trillion?
1 trillion
What is the author's purpose?
a. to tell you that numbers are confusing
b.to persuade you to use big numbers
c. to help you understand big numbers
To help you understand big numbers
One billion kids on planet earth is not enough
How do you write 1 trillion in number form?
1,000,000,000,000
What is the main idea?
billions, millions, and trillions are big numbers
Mary thinks her mom told her to clean her room 1 million times
Opinion
Which is bigger 1 hundred or 1 thousand
1 thousand
Which details support the main idea
a. billions of people live on earth
b. scientists use big numbers
c. numbers are useful and fun
c. numbers are useful and fun
One million pennies might fill up a school bus
fact
What can people count using big numbers?
Many different answers, people in a city, stars is a galaxy, money etc.
More than 7 billion people live on earth
fact