Curated OER
Phonics and Decoding Strategies for Struggling Readers Using Core Knowledge Poem
Students complete multiple activities to help them hear sounds, syllables, and spell words with vowel patterns, digraphs, or blends. In this word sounds lesson, students use letter tiles, sort words cards, analyze poems, and play a bingo...
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.