Curated OER
Clock Arithmetic and Cryptography
Students 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.
Curated OER
Clock Arithmetic and Cryptography
Learners explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Learners exchange their ciphers...
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
AAA Math
Aaa Math: Multiplication Facts by 0, 1, 2, 3
This page explains and lists the basic multiplication facts for zero, one, two, and three. It also provides practice and games to improve multiplication skills. CCSS.Math.Content.3.OA.C.7 Fluently multiply and divide within 100
Khan Academy
Khan Academy: Multiply by 0 or 1
Multiply 0 or 1 times a number less than or equal to 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.OA.C.7 Fluently multiply and divide...
Teaching Treasures Publications
Teaching Treasures: Year Four Math (Page 1)
This interactive worksheet combines all four operations. The focus is on addition and subtraction fact through one hundred and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and...