Welcome to HQ,
Agent.
This page is for detectives who own The Math Detective Agency: Operation North Pole. The finished Case Grid, a fresh grid to print, and three bonus missions are all here.
The completed Case Grid
Finished the Final Case? Check your grid against the Agency's file. Still solving? Keep this one closed.
Spoiler alert: this file names the impostor. Open it only after you have solved the Final Case on Christmas Eve.
Your bonus files
No sign-up needed. Click and print.
Fresh Case Grid & Case Board
A clean copy of the two detective pages from the back of the book. Perfect for:
- a brother, sister or friend solving along
- starting over if the grid got messy
- a whole classroom working the case
3 extra secret missions
A mind-reading number trick, a mirror code and a loop with only one side. Three complete missions to keep the Agency going after Christmas.
More cases for your agent
Case 01
20 secret missions: codes, number systems and math tricks most adults have never seen.
See on Amazon
Case 02: Field Training
25 outdoor operations: measuring, mapping and the math hiding outside your door.
COMING SOON
Did your detective enjoy the case? Honest reviews help other families find the Agency. Ask a grown-up to leave a review on Amazon.