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🧮 Math8th Grade

8th Grade Math: the year at a glance

9 units · 39 lessons · based on Common Core State Standards for Mathematics, Grade 8 — typical US scope & sequence. Every unit ends with a review & assessment day.

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Unit 1: Rigid transformations & congruence 8.G.A.2

Describe translations, reflections and rotations · Use transformations to show congruence

  1. Translations8.G.A.1
  2. Reflections8.G.A.3
  3. Rotations8.G.A.3
  4. Congruence8.G.A.2
  5. Angles and parallel lines8.G.A.5
  6. Review & assessment

Unit 2: Dilations, similarity & slope 8.G.A.4

Describe dilations · Use similar triangles to explain slope

  1. Dilations8.G.A.3
  2. Similar figures8.G.A.4
  3. Slope from similar triangles8.EE.B.6
  4. Review & assessment

Unit 3: Linear relationships 8.EE.B.5

Graph proportional relationships and interpret slope · Write y = mx + b from graphs, tables and situations

  1. Proportional relationships revisited8.EE.B.5
  2. Slope8.EE.B.6
  3. y = mx + b8.EE.B.6
  4. Graphing linear equations8.F.A.3
  5. Review & assessment

Unit 4: Linear equations & systems 8.EE.C.7

Solve multi-step linear equations · Solve systems of two equations graphically and algebraically

  1. Variables on both sides8.EE.C.7b
  2. One, none or infinitely many8.EE.C.7a
  3. Systems by graphing8.EE.C.8a
  4. Systems by substitution8.EE.C.8b
  5. Systems by elimination8.EE.C.8b
  6. Systems word problems8.EE.C.8c
  7. Review & assessment

Unit 5: Functions 8.F.A.1

Understand a function as a rule with exactly one output per input · Compare and construct functions; describe graphs qualitatively

  1. What is a function?8.F.A.1
  2. Comparing functions8.F.A.2
  3. Linear vs nonlinear8.F.A.3
  4. Modeling with functions8.F.B.4
  5. Describing graphs8.F.B.5
  6. Review & assessment

Unit 6: Exponents & scientific notation 8.EE.A.1

Apply exponent properties · Use scientific notation for very large and small numbers

  1. Exponent rules8.EE.A.1
  2. Zero and negative exponents8.EE.A.1
  3. Scientific notation8.EE.A.3
  4. Operations in scientific notation8.EE.A.4
  5. Review & assessment

Unit 7: Roots & the Pythagorean theorem 8.G.B.7

Use square and cube roots · Know irrational numbers · Apply the Pythagorean theorem

  1. Square and cube roots8.EE.A.2
  2. Irrational numbers8.NS.A.1
  3. The Pythagorean theorem8.G.B.6
  4. Using the theorem8.G.B.7
  5. Distance on the plane8.G.B.8
  6. Review & assessment

Unit 8: Volume of cylinders, cones & spheres 8.G.C.9

Use the volume formulas for cylinders, cones and spheres

  1. Cylinders8.G.C.9
  2. Cones8.G.C.9
  3. Spheres8.G.C.9
  4. Review & assessment

Unit 9: Bivariate data 8.SP.A.1

Make and interpret scatter plots · Fit lines and use two-way tables

  1. Scatter plots8.SP.A.1
  2. Lines of fit8.SP.A.2
  3. Using the model8.SP.A.3
  4. Two-way tables8.SP.A.4
  5. Review & assessment

Math in other grades

Kindergarten53 lessons1st Grade55 lessons2nd Grade53 lessons3rd Grade53 lessons4th Grade55 lessons5th Grade50 lessons6th Grade41 lessons7th Grade39 lessons8th Grade39 lessons