7.2 Operations with Negative Numbers

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=b0b4f2d37338b2837866c18f8d739477bcbca261ed12db2f0d94ad22a6103a20

About Time (Legacy Version)

How has the pace of technology changed over time? Students explore timelines of important technological milestones, and calculate the time between major events using absolute value and operations on integers.

Topic: Number System (NS)

Middle Lesson

Aws4 request&x amz signedheaders=host&x amz signature=75fecdc83c23d9460564c8fc7ebcaba24d59fff081ea8fa81081509560dd8565

Icy Hot (MS)

How have temperatures changed around the world? Students compare current temperatures to historical averages, and add and subtract positive and negative numbers to explore how the climate has changed in various cities over time.

Topic: Number System (NS)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=f399155b0e3b1eff54f75b27173bde48066a86e4141617c15bc8a589dde95546

Common Cents

How much is money worth? Students apply operations on rational and decimal numbers to calculate how much the U.S. Mint spends on different coins, and discuss whether we really need all these coins.

Topic: Number System (NS)