Bell Work

Social Security Numbers

The Social Security system used in the United States today is based on nine digits; it was first started in 1936. Ask your students how many people can be assigned a Social Security number before there is repetition.

Answer: 1 billion (10^9)

More Bell Work Ideas

The Chicken or the Egg?
Root Word Slide
The Perfect Gift
Record Breaking
States and Capitals
News Story Comparison
What’s In a Name?
Replicate the Design
Sistine Chapel
Witch Category Game
Simon Says
Max Temp
A to Z Names
Sorting Animals
Birthday Math
Easter Poetry
Our Favorite Books
Pumpkin Seed Estimation
Count the F’s
Common Characteristics
Race in the United States
Leaf Veins
Grocery Shopping
Factoring with Manipulatives
Egg Hunt
Sun Full of Earths
Verb Hunt
Where in the World?
Computers Per Student
What’s The Word?
The Emperor’s Banquet
Using A Compass
Egg Color Estimation
European Countries
What is IT?
Opposites Attract
Summer Fun
Where is Sydney?
Memories of Home
Who’s Winning?
What Could It Be?
Cloze Procedure
Grade Averages
Amazing Swimmer
Favorite Event Race
Unscramble the Words
Turn Everyone Off
Common Word Length
Coin Sorting