How Many Squares?
Students will eventually measure square units to find the total number of rectangles in How Many Squares? The basic concept of the area of a rectangle is taught by partitioning a rectangle into rows and columns of equal squares. Simple repetitive phrases and images provide support for students to begin to construct the idea of area.
What are those square stickers in books?
It’s a security tag that deactivates when you buy the book at the cash register, allowing you to leave the store; if you don’t, an alarm will sound, preventing shoplifting.
Why is there a chip in my book?
Librarians can now affix materials with security tags that contain microchips and an antenna that transmits information to a wireless reader using radio frequency identification (RFID) technology, using a wafer-thin, microchip-based tag the size of a postage stamp.
Do library books have chips?
To check out a book with an RFID microchip, the librarian places it on a receiver, which sends a signal to the chip, which responds with the book’s identifying data. RFID chips make it simple for patrons to check out books and also serve as a theft-prevention device.
How do libraries prevent books from being stolen?
Theft from libraries is usually prevented by installing electronic article surveillance alarms at the doors, which are tagged and sound an alarm if the tag is not deactivated.
How do I protect my books from theft?
Five Ways to Keep Your Book Safe From Thieves
- Keep an inventory of your books. Knowing what needs to be protected is the best way to keep them safe.
- Beware the book thief disguised as a borrower.
- Set up a bookish booby trap.
- Password protect your e-reader.