7.2 Operations with Negative Numbers

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=0dc8e6c06005329f6511de98226cbbae1fca9d648b485dbf180c9c8fd4ccac7a

About Time

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=bb639bb6eba16c307674b65d5b8b90e5cb5c7b4fe6b1ed4f90b99c03e6868097

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=4b15f1df97046f689bff99d9946944b88282a58357cf67f72f973454dca2276f

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)