Number Lines and Absolute Value
Math is Fun - Number Line
https://www.mathsisfun.com/number-line.html
Number Line Practice
https://www.mathlearningcenter.org/web-apps/number-line/
Khan Academy - Number Line Practice
https://www.khanacademy.org/math/arithmetic/arith-review-multiply-divide/arith-review-mult-intro/e/number_line
Khan Academy - Number Lines and Absolute Value
https://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-absolute-value-new/v/absolute-value-and-number-lines
Math is Fun - Absolute Value
https://www.mathsisfun.com/numbers/absolute-value.html
Cool Math - What's an Absolute Value?
http://www.coolmath.com/algebra/18-absolute-value-equations-inequalities/01-absolute-values-01
Additive Inverses
Cool Math - The Additive Inverse
http://www.coolmath.com/prealgebra/06-properties/07-properties-additive-inverse-01
Math Shorts - Additive Inverse Video
https://safeshare.tv/x/ss5983242a789f3
Equidistant Points
Add Rational Numbers
Math is Fun - Common Denominators
https://www.mathsisfun.com/numbers/common-denominator.html
Khan Academy - Find Common Denominators
https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-common-denominators/v/finding-common-denominators
Math is Fun - Adding Fractions
https://www.mathsisfun.com/fractions_addition.html
Khan Academy - Adding and Subtracting Fractions
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-and-subtracting-fractions
Khan Academy - Adding Fractions with Unlike Denominators
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-fractions-with-unlike-denominators
Math is Fun - Using Rational Numbers
https://www.mathsisfun.com/algebra/rational-numbers-operations.html
IXL - Adding and Subtracting Rational Numbers Practice
https://www.ixl.com/math/grade-7/add-and-subtract-rational-numbers
Subtract Rational Numbers
Math is Fun - Common Denominators
https://www.mathsisfun.com/numbers/common-denominator.html
Khan Academy - Finding Common Denominators
https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-common-denominators/v/finding-common-denominators
Math is Fun - Subtracting Fractions
https://www.mathsisfun.com/fractions_subtraction.html
Khan Academy - Adding and Subtracting Fractions
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-and-subtracting-fractions
Khan Academy - Subtraction Fractions with Unlike Denominators
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/subtracting-fractions-with-unlike-denominators
IXL - Adding and Subtracting Rational Numbers Practice
https://www.ixl.com/math/grade-7/add-and-subtract-rational-numbers
Addition and Subtraction Properties
Mashup Math - Commutative Property
https://safeshare.tv/x/ss5bb758365d618
Mashup Math - Associative Property
https://safeshare.tv/x/ss5bb75929c3299
Distance on a Number Line
Math is Fun - Number Line
https://www.mathsisfun.com/number-line.html
Number Line Practice
https://www.mathlearningcenter.org/web-apps/number-line/
Khan Academy - Number Line Practice
https://www.khanacademy.org/math/arithmetic/arith-review-multiply-divide/arith-review-mult-intro/e/number_line
Khan Academy - Number Lines and Absolute Value
https://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-absolute-value-new/v/absolute-value-and-number-lines
Math is Fun - Absolute Value
https://www.mathsisfun.com/numbers/absolute-value.html
Cool Math - What's an Absolute Value?
http://www.coolmath.com/algebra/18-absolute-value-equations-inequalities/01-absolute-values-01
Additive Inverses
Cool Math - The Additive Inverse
http://www.coolmath.com/prealgebra/06-properties/07-properties-additive-inverse-01
Math Shorts - Additive Inverse Video
https://safeshare.tv/x/ss5983242a789f3
Equidistant Points
Add Rational Numbers
Math is Fun - Common Denominators
https://www.mathsisfun.com/numbers/common-denominator.html
Khan Academy - Find Common Denominators
https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-common-denominators/v/finding-common-denominators
Math is Fun - Adding Fractions
https://www.mathsisfun.com/fractions_addition.html
Khan Academy - Adding and Subtracting Fractions
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-and-subtracting-fractions
Khan Academy - Adding Fractions with Unlike Denominators
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-fractions-with-unlike-denominators
Math is Fun - Using Rational Numbers
https://www.mathsisfun.com/algebra/rational-numbers-operations.html
IXL - Adding and Subtracting Rational Numbers Practice
https://www.ixl.com/math/grade-7/add-and-subtract-rational-numbers
Subtract Rational Numbers
Math is Fun - Common Denominators
https://www.mathsisfun.com/numbers/common-denominator.html
Khan Academy - Finding Common Denominators
https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-common-denominators/v/finding-common-denominators
Math is Fun - Subtracting Fractions
https://www.mathsisfun.com/fractions_subtraction.html
Khan Academy - Adding and Subtracting Fractions
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-and-subtracting-fractions
Khan Academy - Subtraction Fractions with Unlike Denominators
https://www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/subtracting-fractions-with-unlike-denominators
IXL - Adding and Subtracting Rational Numbers Practice
https://www.ixl.com/math/grade-7/add-and-subtract-rational-numbers
Addition and Subtraction Properties
Mashup Math - Commutative Property
https://safeshare.tv/x/ss5bb758365d618
Mashup Math - Associative Property
https://safeshare.tv/x/ss5bb75929c3299
Distance on a Number Line