7.2 Operations with Negative Numbers

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=343cb74f72626a20fda394690c688673443a8fa93af8e5fe17d1e072cc753fc7

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=4455955dcd24c22f134a57090b6863407b8788f2d697b23d2607d01f7f1470c4

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=5b3e919f7529141c9fcbb40ef9f7d1ba053a3a4d1fad906cd537d448cbbdf2d0

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)