In this online interactive reading comprehension instructional activity, students respond to 25 multiple choice questions about Frances Hodgson Burnett's The Secret Garden. Students may submit their answers to be scored.

In this online interactive reading comprehension learning exercise, students respond to 25 multiple choice questions about Rowling's Harry Potter and the Chamber of Secrets. Students may submit their answers to be scored.

Most pupils don't know what a telegraph is, much less how one works. A secret simulation has scholars pick the size of the primary and secondary loops, the battery voltage, and which letters in the Morse Code they want to transmit. They...

An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 

In this online interactive English vocabulary skills worksheet, high schoolers answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

Crack the secret code in five messages to try to find the villainous Ratty.

An interactive game in which students try to crack the secret code that incriminated Mary Queen of Scots. Archived.

This one page website from Scholastic offers two math facts games and a secret code idea all to help you remember your math facts.

The Number Cracker needs you to help find a secret code by identifying the missing number in a series.