K12 Reader
The Product-Quotient Connection
How are multiplication and division connected? Read a passage about inverse operations to find out how you can use products and quotients to check your work when completing an equation from the opposite operation.
Curated OER
Gerunds and Participles
Young grammarians are asked to demonstrate their ability to identify gerunds, gerund phrases, participles, and participial phrases. The resource could be used as an assessment or practice review.
Curated OER
Clock Arithmetic and Cryptography
High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.