Combine Like Terms with Negatives: https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-manipulating-expressions/e/combining_like_terms_1 Combine Like Terms and Distribution:
https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-manipulating-expressions/e/combining_like_terms_2
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Discount, Tax Problems:
https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-percent-word-problems/e/discount_tax_and_tip_word_problems Markup, Commission Problems: https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-percent-word-problems/e/markup_and_commission_word_problems Proportion Word Problems:https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-rates/e/rate_problems_0.5 Multiple Units Proportionshttps://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-rates/e/rate_problems_2 Unit Rates: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-rates/e/rate_problems_1 Solving Proportions: https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-write-and-solve-proportions/e/proportions_1 Writing Proportions:
https://www.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-write-and-solve-proportions/e/writing_proportions Multiplying Fractionshttps://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-fractions/e/multiplying_fractions Dividing Fractionshttps://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-fractions/e/dividing_fractions_2 Simplifying Complex Fractionshttps://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-multiply-and-divide/cc-7th-mult-div-fractions-2/e/complex-fractions https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-multiply-and-divide/cc-7th-mult-div-fractions-2/e/negative-signs-in-numerators-and-denominatorsNegative Signs in FractionsAdding Negative Numbers https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/e/adding_negative_numbers Subtracting Negative Numbershttps://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-negative-numbers/e/adding_and_subtracting_negative_numbers Both Adding and Subtracting Negative Integershttps://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-and-sub-integersss/e/integer-addition-and-subtraction-2Adding Fractions:https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/e/adding_fractions Subtracting Fractions:https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/e/subtracting_fractions |
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