The Numeracy Project
The Numeracy Project from the Ministry of Education is an instruction and assessment support for K to Gr. 3 with ready to use resources. Note: not all outcomes are represented, but many are.
Each doc identifies a "big idea" from an outcome.
Concrete, pictorial and symbolic representations
Strategies you could teach your students
Questions to be used for assessment with sample answers.
Ministry of Ed and SaskMath