Rational Numbers

A Guide to Effective Instruction in Math, Grades 4 to 6: Fractions
http://eworkshop.on.ca/edu/resources/guides/NSN_vol_5_Fractions.pdf

A Guide to Effective Instruction in Math, Grades 4 to 6: Decimal Numbers
http://eworkshop.on.ca/edu/resources/guides/NSN_vol_6_Decimal_Numbers.pdf

Rational Number Project: Initial Fraction Ideas (Grade 3)
http://wayback.archive-it.org/org-121/20190122154406/http://www.cehd.umn.edu/ci/rationalnumberproject/RNP1-13-grade3/RNP1_complete-grade3.pdf

Rational Number Project: Initial Fraction Ideas
http://wayback.archive-it.org/org-121/20190122154004/http://www.cehd.umn.edu/ci/rationalnumberproject/RNP1-09/RNP1-09_withBlankPages.pdf

Rational Number Project: Navigating Fractions on the Number Line
http://wayback.archive-it.org/org-121/20190122154436/http://www.cehd.umn.edu/ci/rationalnumberproject/numberline/NumberLineModule.pdf

Rational Number Project: Fraction Operations and Initial Decimal Ideas
http://wayback.archive-it.org/org-121/20190122154156/http://www.cehd.umn.edu/ci/rationalnumberproject/RNP2/rnp2_withBlankPages.pdf