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Grade
8 Illustrative Mathematics – Unit 8: Pythagorean Theorem and Irrational
Numbers
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Download PDF of Student Edition
Download PDF of Student Practice Work (Homework)
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Unit Summary for Parents – PDF File
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Lesson Topic
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IM Lesson
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Khan Academy Support Videos
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Khan Academy Online Practice
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Class Notes
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Lesson Summary & Homework Help
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Lesson 1 – The Areas of Squares and Their Side Lengths
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Lesson 1
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8.8.1 Morgan
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Lesson 2 – Side Lengths and Areas
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Lesson 2
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Square
roots
Roots
of decimals and fractions
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8.8.2 Morgan
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Lesson 3 – Rational and Irrational Numbers
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Lesson 3
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Intro
to rational and irrational numbers
Classifying
numbers: rational and irrational
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Classify
numbers: rational and irrational
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8.8.3 Morgan
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Lesson 4 – Square Roots on the Number Line
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Lesson 4
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Approximating
square roots to hundredths
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Comparing
irrational numbers with a calculator
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8.8.4 Morgan
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Lesson 5 – Reasoning About Square Roots
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Lesson 5
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Approximating
square roots
Classifying
numbers
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Approximating
square roots
Comparing
irrational numbers
Comparing
irrational numbers with a calculator
Quiz
1
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8.8.5 Morgan
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Lesson 6 – Finding Side Lengths of Triangles
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Lesson 6
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Intro
to Pythagorean theorem
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Use
of squares to visualize Pythagorean theorem
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8.8.6 Morgan
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Lesson 7 – A Proof of the Pythagorean Theorem
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Lesson 7
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Bhaskara’s
proof of the Pythagorean theorem
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8.8.7 Morgan |
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Lesson 8 – Finding Unknown Side Lengths
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Lesson 8
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Pythagorean
theorem example
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Use
Pythagorean theorem to find right triangle side lengths
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8.8.8 Morgan |
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Lesson 9 – The Converse
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Lesson 9
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Right
triangle side lengths
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8.8.9 Morgan |
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Lesson 10 – Applications of the Pythagorean Theorem
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Lesson
10
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Pythagorean
theorem word problem: carpet
Pythagorean
theorem word problem: fishing boat
Pythagorean
theorem proof using similarity
Another
Pythagorean theorem proof
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Pythagorean
theorem word problems
Pythagorean
theorem in 3D
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8.8.10 Morgan |
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Lesson 11 – Finding Distances in the Coordinate Plane
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Lesson
11
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Use
Pythagorean theorem to find perimeter
Distance
between two points
Quiz
2
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8.8.11 Morgan |
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Lesson 12 – Edge Lengths and Volumes
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Lesson
12
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Dimensions
of a cube from its volume
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Cube
roots
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8.8.12 Morgan |
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Lesson 13 – Cube Roots
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Lesson
13
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Equations
with square roots and cube roots
Equations
with square roots: decimals and fractions
Square
and cube challenge
Quiz
3
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8.8.13 Morgan |
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Lesson 14 – Decimal Representations of Rational Numbers
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Lesson
14
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Converting
a fraction to a repeating decimal
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Writing
fractions as repeating decimals
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8.8.14 Morgan |
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Lesson 15 – Infinite Decimal Expansions
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Lesson
15
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Converting
repeating decimals to fractions Part 1
Converting
repeating decimals to fractions Part 2
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Converting
repeating decimals to fractions
Converting
multi-digit repeating decimals to fractions
Quiz
4
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Unit 8 Review
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Khan
Academy Unit 8 Practice test
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