Click on the links below for worksheets and help with math.
 

  Critical Thinking - How Much is a Million?
How far would a million peanuts stretch out? How can you estimate that answer?
 
  Big Numbers in our School
Sometimes the fastest way to find an answer is to estimate it. Complete this sheet for your classroom and then estimate the totals for your whole school.
 
  Critical Thinking - Chinese Calendar
Most calendars use number patterns to keep track of days. See if you can spot the pattern this calendar follows.
 
  Critical Thinking - Fill in the Number
What are the two most common letters in English? Try this activity and see if you guessed right.
 
  Critical Thinking - How Much Time
A grid is another kind of chart that helps you estimate time or distance.
 
  Back to School Mind Jigglers
Quick! Match these sets of facts with their products.
 
  Roman Numerals
Click here to find out how to write any number in Roman Numerals.
 
  Critical Thinking - Tallest Dams
Which is taller -- the Hoover Dam or the Hungry Horse Dam? If you can read charts, you'll spot the answer in a flash!