6.4 Operations with Fractions and Decimals

Intro Lesson

Aws4 request&x amz signedheaders=host&x amz signature=3342effa2a136e939b7263cf0f01206d16d480d4372cd2694f5a55219fa79b7e

Are We Alone?

What are the chances that we'll communicate with aliens? Students use fraction multiplication to explore the Drake Equation, the formula astronomers use to estimate the number of intelligent civilizations with whom we might communicate.

Topic: Number and Operations -- Fractions (NF)

Middle Lesson

Aws4 request&x amz signedheaders=host&x amz signature=4fd33ea5699a2d18e61edf1433d2c46a54875c978f48c5b8d2225cc07355b324

Compromised

How were free states and slave states represented in Congress? In this lesson, students use census data and fraction multiplication to explore the effects of the Three-Fifths Compromise on the balance of power between free and slave states in early America.

Topic: Number System (NS)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=e58a22d743540f9a3a36a4624c306baa5d26f4e044e039387d95038af968c89a

Harmony of Numbers

Why do certain pairs of notes sound better than others? Students use ratios and fraction division to explore what makes two notes sound good or bad when played together.

Topic: Number System (NS), Ratios and Proportional Relationships (RP)