Computation

Comprehensive Resources
A Guide to Effective Instruction: Teaching Basic Facts and Multi-digit Computations, Kindergarten to Grade 6
http://eworkshop.on.ca/edu/resources/guides/Guide_Math_K_6_Volume_5.pdf

Addition/Subtraction
A Guide to Effective Instruction: Addition and Subtraction, Grades 4 to 6
http://eworkshop.on.ca/edu/resources/guides/NSN_vol_2_Addition_Subtraction.pdf

Mrs. Meacham's Math Tub Resources for Number Operations
Google Drive Files

Multiplication/Division
A Guide to Effective Instruction: Multiplication, Grades 4 to 6
http://eworkshop.on.ca/edu/resources/guides/NSN_vol_3_Multiplication.pdf

A Guide to Effective Instruction: Division, Grades 4 to 6
http://eworkshop.on.ca/edu/resources/guides/NSN_vol_4_Division.pdf