Mystery Number
What is the mystery number that fits the description?
Author Archive for: corrill
Entries by InterMath
Palindrome Odometer
Determine how fast a bus was traveling during two hours of time.
Paper Folding
Determine the thickness of folded paper.
Phone Tree
Determine the structure of a telephone tree used by eighth graders in Jefferson County who offered to help when the river flooded their town.
Going to the Movies
Predict the cost of the movie tickets.
Library Fines
Help Minerva sort out her charges from the school library.
Sales Options
Which salary option should Mrs. Lee, the top salesperson in the company, take?
Double Dollars
What is the fewest number of years until an investment doubles in value?
Judy’s Gift
How much money did Judy give Dave?
Double Trouble
Find a number that fits the description.