Grade 8 Illustrative Mathematics – Unit 4: Linear Equations and Linear Systems |
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Lesson Topic |
IM Lesson |
Khan Academy Support Videos |
Khan Academy Online Practice |
Class Notes |
Lesson Summary & Homework Help |
Lesson 1 – Number Puzzles |
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Lesson 2 – Keeping the Equation Balanced |
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Lesson 3 –Balanced Moves |
Intro to Equations with variables on both sides
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Lesson 4 – More Balanced Moves |
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Lesson 5 – Solving Any Linear Equation |
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Lesson 6 – Strategic Solving |
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Equations with variables on both sides: decimals and fractions
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Extra Practice Linear Equations |
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Equation practice with vertical angles
Equation practice with complementary angles
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Equation practice with vertical angles
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Lesson 7 – All, Some, or No Solutions |
Creating an equation with no solutions
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Lesson 8 – How Many Solutions |
Number of solutions to equations
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Lesson 9 – When Are They the Same |
Age word problem: Ben and William
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Lesson 10 – On or Off the Line? |
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Lesson 11 – On Both of the Lines |
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Lesson 12 – Systems of Equations |
Systems of equations: trolls, tolls (1 of 2)
Systems of equations: trolls, tolls (2 of 2)
Systems of equations with graphing
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Systems of equations with graphing
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Lesson 13 – Solving Systems of Equations |
Systems of equations with substitution: y=-1/4x+100 and y=-1/4x+120
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Lesson 14 – Solving More Systems |
Systems of equations with substitution – 1
Systems of equations with substitution – 2
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Systems of equations with substitution
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Lesson 15 – Writing Systems of Equations |
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Lesson 16 – Solving Problems with Systems of Equations |
Systems of equations with word problems: no solution
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Unit 4 Review |
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