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Math 8 Unit 8

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Math 8 Unit 8 - Illustrative Mathematics Online Resources

 
 

Grade 8 Illustrative Mathematics – Unit 8: Pythagorean Theorem and Irrational Numbers

Download PDF of Student Edition

Download PDF of Student Practice Work (Homework)

Unit Summary for Parents – PDF File

Lesson Topic

IM Lesson

Khan Academy Support Videos

Khan Academy Online Practice

Class Notes

Lesson Summary & Homework Help

Lesson 1 – The Areas of Squares and Their Side Lengths

Lesson 1

 

 

 

8.8.1 Morgan

Lesson 2 – Side Lengths and Areas

Lesson 2

 

Square roots

 

Roots of decimals and fractions

 

8.8.2 Morgan

Lesson 3 – Rational and Irrational Numbers

Lesson 3

Intro to rational and irrational numbers

 

Classifying numbers: rational and irrational

Classify numbers: rational and irrational

 

8.8.3 Morgan

Lesson 4 – Square Roots on the Number Line

Lesson 4

Approximating square roots to hundredths

Comparing irrational numbers with a calculator

 

8.8.4 Morgan

Lesson 5 – Reasoning About Square Roots

Lesson 5

Approximating square roots

 

Classifying numbers

Approximating square roots

 

Comparing irrational numbers

 

Comparing irrational numbers with a calculator

 

Quiz 1

 

8.8.5 Morgan

Lesson 6 – Finding Side Lengths of Triangles

Lesson 6

Intro to Pythagorean theorem

Use of squares to visualize Pythagorean theorem

 

8.8.6 Morgan

Lesson 7 – A Proof of the Pythagorean Theorem

Lesson 7

Bhaskara’s proof of the Pythagorean theorem

 

 

8.8.7 Morgan

Lesson 8 – Finding Unknown Side Lengths

Lesson 8

Pythagorean theorem example

Use Pythagorean theorem to find right triangle side lengths

 

8.8.8 Morgan

Lesson 9 – The Converse

Lesson 9

 

Right triangle side lengths

 

8.8.9 Morgan

Lesson 10 – Applications of the Pythagorean Theorem

Lesson 10

Pythagorean theorem word problem: carpet

 

Pythagorean theorem word problem: fishing boat

 

Pythagorean theorem proof using similarity

 

Another Pythagorean theorem proof

Pythagorean theorem word problems

 

Pythagorean theorem in 3D

 

8.8.10 Morgan

Lesson 11 – Finding Distances in the Coordinate Plane

Lesson 11

 

Use Pythagorean theorem to find perimeter

 

Distance between two points

 

Quiz 2

 

8.8.11 Morgan

Lesson 12 – Edge Lengths and Volumes

Lesson 12

Dimensions of a cube from its volume

Cube roots

 

8.8.12 Morgan

Lesson 13 – Cube Roots

Lesson 13

 

Equations with square roots and cube roots

 

Equations with square roots: decimals and fractions

 

Square and cube challenge

 

Quiz 3

 

8.8.13 Morgan

Lesson 14 – Decimal Representations of Rational Numbers

Lesson 14

Converting a fraction to a repeating decimal

Writing fractions as repeating decimals

 

8.8.14 Morgan

Lesson 15 – Infinite Decimal Expansions

Lesson 15

Converting repeating decimals to fractions Part 1

 

Converting repeating decimals to fractions Part 2

Converting repeating decimals to fractions

 

Converting multi-digit repeating decimals to fractions

 

Quiz 4

 

 

Unit 8 Review

 

 

Khan Academy Unit 8 Practice test

 

 

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