This premium, fully structured unit provides 15 complete lessons aligned to the Ontario Mathematics Curriculum (2020), Strand B: Number Sense. Designed to reduce planning time while maintaining instructional clarity and curriculum alignment, this resource supports teachers through a full 4–5 week instructional block. Curriculum Expectations CoveredB1.1 – Read, represent, compose, and decompose whole numbers to 1,000 B1.2 – Compare and order whole numbers to 1,000 B1.3 – Round whole numbers to