Distribute & Combine Like Terms (Khan): http://www.youtube.com/watch?v=_pSE

Integers and Absolute Value: http://www.youtube.com/watch?v=Uh_zCiVPXjs

Order of Operations: http://www.youtube.com/watch?v=dAgfnK528RA

Adding Integers Video: https://www.teachingchannel.org/videos/adding-integers-lesson-idea

Real Number System Video: http://www.youtube.com/watch?v=8rAQgE2tyjA

Real Number System Video: https://www.youtube.com/watch?v=9orS7coe2WI

Order of Operations (picture): http://www.dositey.com/2008/addsub/Mystery11.htmr

Adding/Subtracting Integers (Math Antics): https://www.youtube.com/watch?v=_BgblvF90UE

Scientific Notation Video (great): https://www.youtube.com/watch?v=Dme-G4rc6NI

Adding Integers Video: https://www.youtube.com/watch?v=nYdVKlyn1pE

Add & Subtract Integers Music Video: https://www.youtube.com/watch?v=q2IW9FolSnc

Adding Integers video (Witte): https://www.youtube.com/watch?v=OWMUSX40_mU&t=350s

Simplifying Fractions video: https://www.youtube.com/watch?v=ApoOgWRsobw

Classifying Real Numbers Quiz: http://www.quia.com/quiz/303651.html

Distributive Property w/Like Terms: http://www.saddleback.edu/faculty/ /algebra2go/ /variables/distProp.html

Adding Integers Quiz (40 problems): http://www.berghuis.co.nz/abiator/maths/sa/integers001.html

Property Vocabulary Practice: http://quizlet.com/12787562/grade-7-unit-1-operations-with-rational-numbers-flash-cards/

Distributive Property Practice: http://www.mathgames.com/skill/6.15-distributive-property

Practice quizzes (all topics): http://www.math4children.com/grade_7_quizzes.html

Online Interactive Practice Tests: http://www.henryanker.com/7th_Activities.html

Integer Addition Practice Test: http://www.math-tests.com/Adding-Integers-Test/adding-integers-math-test_html5.html

Integer Timed Tests (25 problems - multiple operations): http://www.hoodamath.com/mobile/games/integerstimedtests.html

Unlike Denominators Adding (15 problem set): https://www.iknowit.com/lessons/d-adding-fractions-unlike-denominators.html

Multiplying Fractions online practice: https://www.mathplayground.com/fractions_mult.html